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Finding the Fourth Proportional to 48,251.60, 72,373.92 and 14,970.80

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Solution

The fourth proportional to 48,251.60, 72,373.92 and 14,970.80 is: 22,455.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,251.60 : 72,373.92 = 14,970.80 : x
  2. Step 2: Convert to fraction form
    48,251.60/72,373.92 = 14,970.80/x
  3. Step 3: Cross multiply
    48,251.60x = 72,373.92 × 14,970.80
  4. Step 4: Simplify right side
    48,251.60x = 1,083,495,481.54
  5. Step 5: Solve for x
    x = 1,083,495,481.54/48,251.60
  6. Step 6: Final answer
    x = 22,455.12

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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.