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Finding the Fourth Proportional to 59,390.60, 88,878.80 and 48,592.15

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Solution

The fourth proportional to 59,390.60, 88,878.80 and 48,592.15 is: 72,718.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,390.60 : 88,878.80 = 48,592.15 : x
  2. Step 2: Convert to fraction form
    59,390.60/88,878.80 = 48,592.15/x
  3. Step 3: Cross multiply
    59,390.60x = 88,878.80 × 48,592.15
  4. Step 4: Simplify right side
    59,390.60x = 4,318,812,107.32
  5. Step 5: Solve for x
    x = 4,318,812,107.32/59,390.60
  6. Step 6: Final answer
    x = 72,718.79

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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.