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Finding the Fourth Proportional to 69,886.52, 96,445.12 and 38,057.16

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Solution

The fourth proportional to 69,886.52, 96,445.12 and 38,057.16 is: 52,519.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,886.52 : 96,445.12 = 38,057.16 : x
  2. Step 2: Convert to fraction form
    69,886.52/96,445.12 = 38,057.16/x
  3. Step 3: Cross multiply
    69,886.52x = 96,445.12 × 38,057.16
  4. Step 4: Simplify right side
    69,886.52x = 3,670,427,363.06
  5. Step 5: Solve for x
    x = 3,670,427,363.06/69,886.52
  6. Step 6: Final answer
    x = 52,519.82

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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.