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Finding the Fourth Proportional to 48,320.78, 72,502.03 and 26,149.80

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Solution

The fourth proportional to 48,320.78, 72,502.03 and 26,149.80 is: 39,235.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,320.78 : 72,502.03 = 26,149.80 : x
  2. Step 2: Convert to fraction form
    48,320.78/72,502.03 = 26,149.80/x
  3. Step 3: Cross multiply
    48,320.78x = 72,502.03 × 26,149.80
  4. Step 4: Simplify right side
    48,320.78x = 1,895,913,584.09
  5. Step 5: Solve for x
    x = 1,895,913,584.09/48,320.78
  6. Step 6: Final answer
    x = 39,235.99

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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.