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Finding the Fourth Proportional to 18,102.52, 24,976.79 and 10,926.77

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Solution

The fourth proportional to 18,102.52, 24,976.79 and 10,926.77 is: 15,076.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,102.52 : 24,976.79 = 10,926.77 : x
  2. Step 2: Convert to fraction form
    18,102.52/24,976.79 = 10,926.77/x
  3. Step 3: Cross multiply
    18,102.52x = 24,976.79 × 10,926.77
  4. Step 4: Simplify right side
    18,102.52x = 272,915,501.13
  5. Step 5: Solve for x
    x = 272,915,501.13/18,102.52
  6. Step 6: Final answer
    x = 15,076.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.