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Finding the Fourth Proportional to 48,321.60, 72,446.40 and 24,964.80

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Solution

The fourth proportional to 48,321.60, 72,446.40 and 24,964.80 is: 37,428.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,321.60 : 72,446.40 = 24,964.80 : x
  2. Step 2: Convert to fraction form
    48,321.60/72,446.40 = 24,964.80/x
  3. Step 3: Cross multiply
    48,321.60x = 72,446.40 × 24,964.80
  4. Step 4: Simplify right side
    48,321.60x = 1,808,609,886.72
  5. Step 5: Solve for x
    x = 1,808,609,886.72/48,321.60
  6. Step 6: Final answer
    x = 37,428.60

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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.