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Finding the Fourth Proportional to 67,753.18, 93,493.90 and 37,539.78

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Solution

The fourth proportional to 67,753.18, 93,493.90 and 37,539.78 is: 51,801.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,753.18 : 93,493.90 = 37,539.78 : x
  2. Step 2: Convert to fraction form
    67,753.18/93,493.90 = 37,539.78/x
  3. Step 3: Cross multiply
    67,753.18x = 93,493.90 × 37,539.78
  4. Step 4: Simplify right side
    67,753.18x = 3,509,740,437.34
  5. Step 5: Solve for x
    x = 3,509,740,437.34/67,753.18
  6. Step 6: Final answer
    x = 51,801.86

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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.