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Finding the Fourth Proportional to 69,929.56, 96,505.02 and 38,099.48

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Solution

The fourth proportional to 69,929.56, 96,505.02 and 38,099.48 is: 52,578.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,929.56 : 96,505.02 = 38,099.48 : x
  2. Step 2: Convert to fraction form
    69,929.56/96,505.02 = 38,099.48/x
  3. Step 3: Cross multiply
    69,929.56x = 96,505.02 × 38,099.48
  4. Step 4: Simplify right side
    69,929.56x = 3,676,791,079.39
  5. Step 5: Solve for x
    x = 3,676,791,079.39/69,929.56
  6. Step 6: Final answer
    x = 52,578.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.