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Finding the Fourth Proportional to 57,901.50, 86,654.88 and 48,551.94

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Solution

The fourth proportional to 57,901.50, 86,654.88 and 48,551.94 is: 72,662.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,901.50 : 86,654.88 = 48,551.94 : x
  2. Step 2: Convert to fraction form
    57,901.50/86,654.88 = 48,551.94/x
  3. Step 3: Cross multiply
    57,901.50x = 86,654.88 × 48,551.94
  4. Step 4: Simplify right side
    57,901.50x = 4,207,262,534.47
  5. Step 5: Solve for x
    x = 4,207,262,534.47/57,901.50
  6. Step 6: Final answer
    x = 72,662.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.