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Finding the Fourth Proportional to 18,062.52, 24,927.92 and 10,107.30

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Solution

The fourth proportional to 18,062.52, 24,927.92 and 10,107.30 is: 13,948.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,062.52 : 24,927.92 = 10,107.30 : x
  2. Step 2: Convert to fraction form
    18,062.52/24,927.92 = 10,107.30/x
  3. Step 3: Cross multiply
    18,062.52x = 24,927.92 × 10,107.30
  4. Step 4: Simplify right side
    18,062.52x = 251,953,965.82
  5. Step 5: Solve for x
    x = 251,953,965.82/18,062.52
  6. Step 6: Final answer
    x = 13,948.99

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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.