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Finding the Fourth Proportional to 8,841.56, 13,262.34 and 4,210.52

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Solution

The fourth proportional to 8,841.56, 13,262.34 and 4,210.52 is: 6,315.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,841.56 : 13,262.34 = 4,210.52 : x
  2. Step 2: Convert to fraction form
    8,841.56/13,262.34 = 4,210.52/x
  3. Step 3: Cross multiply
    8,841.56x = 13,262.34 × 4,210.52
  4. Step 4: Simplify right side
    8,841.56x = 55,841,347.82
  5. Step 5: Solve for x
    x = 55,841,347.82/8,841.56
  6. Step 6: Final answer
    x = 6,315.78

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Half scale
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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.