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Finding the Fourth Proportional to 48,600.93, 72,901.50 and 13,540.71

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Solution

The fourth proportional to 48,600.93, 72,901.50 and 13,540.71 is: 20,311.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,600.93 : 72,901.50 = 13,540.71 : x
  2. Step 2: Convert to fraction form
    48,600.93/72,901.50 = 13,540.71/x
  3. Step 3: Cross multiply
    48,600.93x = 72,901.50 × 13,540.71
  4. Step 4: Simplify right side
    48,600.93x = 987,138,070.07
  5. Step 5: Solve for x
    x = 987,138,070.07/48,600.93
  6. Step 6: Final answer
    x = 20,311.09

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1.5x scale

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.