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Finding the Fourth Proportional to 48,616.30, 72,762.45 and 35,251.30

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Solution

The fourth proportional to 48,616.30, 72,762.45 and 35,251.30 is: 52,759.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,616.30 : 72,762.45 = 35,251.30 : x
  2. Step 2: Convert to fraction form
    48,616.30/72,762.45 = 35,251.30/x
  3. Step 3: Cross multiply
    48,616.30x = 72,762.45 × 35,251.30
  4. Step 4: Simplify right side
    48,616.30x = 2,564,970,953.69
  5. Step 5: Solve for x
    x = 2,564,970,953.69/48,616.30
  6. Step 6: Final answer
    x = 52,759.49

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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.