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Finding the Fourth Proportional to 29,929.20, 44,886.60 and 9,152.88

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Solution

The fourth proportional to 29,929.20, 44,886.60 and 9,152.88 is: 13,727.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,929.20 : 44,886.60 = 9,152.88 : x
  2. Step 2: Convert to fraction form
    29,929.20/44,886.60 = 9,152.88/x
  3. Step 3: Cross multiply
    29,929.20x = 44,886.60 × 9,152.88
  4. Step 4: Simplify right side
    29,929.20x = 410,841,663.41
  5. Step 5: Solve for x
    x = 410,841,663.41/29,929.20
  6. Step 6: Final answer
    x = 13,727.12

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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.