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Finding the Fourth Proportional to 48,248.64, 72,374.88 and 14,972.16

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Solution

The fourth proportional to 48,248.64, 72,374.88 and 14,972.16 is: 22,458.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,248.64 : 72,374.88 = 14,972.16 : x
  2. Step 2: Convert to fraction form
    48,248.64/72,374.88 = 14,972.16/x
  3. Step 3: Cross multiply
    48,248.64x = 72,374.88 × 14,972.16
  4. Step 4: Simplify right side
    48,248.64x = 1,083,608,283.34
  5. Step 5: Solve for x
    x = 1,083,608,283.34/48,248.64
  6. Step 6: Final answer
    x = 22,458.84

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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.