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Finding the Fourth Proportional to 48,216.60, 72,335.70 and 14,938.20

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Solution

The fourth proportional to 48,216.60, 72,335.70 and 14,938.20 is: 22,410.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,216.60 : 72,335.70 = 14,938.20 : x
  2. Step 2: Convert to fraction form
    48,216.60/72,335.70 = 14,938.20/x
  3. Step 3: Cross multiply
    48,216.60x = 72,335.70 × 14,938.20
  4. Step 4: Simplify right side
    48,216.60x = 1,080,565,153.74
  5. Step 5: Solve for x
    x = 1,080,565,153.74/48,216.60
  6. Step 6: Final answer
    x = 22,410.65

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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.