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Finding the Fourth Proportional to 64,050.56, 88,397.76 and 38,893.44

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Solution

The fourth proportional to 64,050.56, 88,397.76 and 38,893.44 is: 53,677.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,050.56 : 88,397.76 = 38,893.44 : x
  2. Step 2: Convert to fraction form
    64,050.56/88,397.76 = 38,893.44/x
  3. Step 3: Cross multiply
    64,050.56x = 88,397.76 × 38,893.44
  4. Step 4: Simplify right side
    64,050.56x = 3,438,092,974.69
  5. Step 5: Solve for x
    x = 3,438,092,974.69/64,050.56
  6. Step 6: Final answer
    x = 53,677.80

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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.