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Finding the Fourth Proportional to 48,593.76, 72,890.88 and 15,316.44

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Solution

The fourth proportional to 48,593.76, 72,890.88 and 15,316.44 is: 22,974.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,593.76 : 72,890.88 = 15,316.44 : x
  2. Step 2: Convert to fraction form
    48,593.76/72,890.88 = 15,316.44/x
  3. Step 3: Cross multiply
    48,593.76x = 72,890.88 × 15,316.44
  4. Step 4: Simplify right side
    48,593.76x = 1,116,428,790.07
  5. Step 5: Solve for x
    x = 1,116,428,790.07/48,593.76
  6. Step 6: Final answer
    x = 22,974.74

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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.