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Finding the Fourth Proportional to 63,442.88, 87,538.56 and 38,293.76

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Solution

The fourth proportional to 63,442.88, 87,538.56 and 38,293.76 is: 52,837.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,442.88 : 87,538.56 = 38,293.76 : x
  2. Step 2: Convert to fraction form
    63,442.88/87,538.56 = 38,293.76/x
  3. Step 3: Cross multiply
    63,442.88x = 87,538.56 × 38,293.76
  4. Step 4: Simplify right side
    63,442.88x = 3,352,180,607.39
  5. Step 5: Solve for x
    x = 3,352,180,607.39/63,442.88
  6. Step 6: Final answer
    x = 52,837.77

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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.