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Finding the Fourth Proportional to 48,410.65, 72,616.03 and 15,130.89

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Solution

The fourth proportional to 48,410.65, 72,616.03 and 15,130.89 is: 22,696.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,410.65 : 72,616.03 = 15,130.89 : x
  2. Step 2: Convert to fraction form
    48,410.65/72,616.03 = 15,130.89/x
  3. Step 3: Cross multiply
    48,410.65x = 72,616.03 × 15,130.89
  4. Step 4: Simplify right side
    48,410.65x = 1,098,745,162.17
  5. Step 5: Solve for x
    x = 1,098,745,162.17/48,410.65
  6. Step 6: Final answer
    x = 22,696.35

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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.