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Finding the Fourth Proportional to 48,593.88, 72,900.54 and 15,319.08

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Solution

The fourth proportional to 48,593.88, 72,900.54 and 15,319.08 is: 22,981.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,593.88 : 72,900.54 = 15,319.08 : x
  2. Step 2: Convert to fraction form
    48,593.88/72,900.54 = 15,319.08/x
  3. Step 3: Cross multiply
    48,593.88x = 72,900.54 × 15,319.08
  4. Step 4: Simplify right side
    48,593.88x = 1,116,769,204.30
  5. Step 5: Solve for x
    x = 1,116,769,204.30/48,593.88
  6. Step 6: Final answer
    x = 22,981.68

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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.