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Finding the Fourth Proportional to 6,552,537.63, 9,828,806.45 and 6,543,075.21

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Solution

The fourth proportional to 6,552,537.63, 9,828,806.45 and 6,543,075.21 is: 9,814,612.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,552,537.63 : 9,828,806.45 = 6,543,075.21 : x
  2. Step 2: Convert to fraction form
    6,552,537.63/9,828,806.45 = 6,543,075.21/x
  3. Step 3: Cross multiply
    6,552,537.63x = 9,828,806.45 × 6,543,075.21
  4. Step 4: Simplify right side
    6,552,537.63x = 64,310,619,794,167.73
  5. Step 5: Solve for x
    x = 64,310,619,794,167.73/6,552,537.63
  6. Step 6: Final answer
    x = 9,814,612.82

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.