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Finding the Fourth Proportional to 6,560.04, 9,115.53 and 6,477.24

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Solution

The fourth proportional to 6,560.04, 9,115.53 and 6,477.24 is: 9,000.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,560.04 : 9,115.53 = 6,477.24 : x
  2. Step 2: Convert to fraction form
    6,560.04/9,115.53 = 6,477.24/x
  3. Step 3: Cross multiply
    6,560.04x = 9,115.53 × 6,477.24
  4. Step 4: Simplify right side
    6,560.04x = 59,043,475.54
  5. Step 5: Solve for x
    x = 59,043,475.54/6,560.04
  6. Step 6: Final answer
    x = 9,000.47

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Half scale
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Double scale
Find fourth proportional to 6,561.04, 9,116.92 and 6,478.24
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.