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Finding the Fourth Proportional to 18,510.52, 27,764.24 and 9,625.92

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Solution

The fourth proportional to 18,510.52, 27,764.24 and 9,625.92 is: 14,438.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,510.52 : 27,764.24 = 9,625.92 : x
  2. Step 2: Convert to fraction form
    18,510.52/27,764.24 = 9,625.92/x
  3. Step 3: Cross multiply
    18,510.52x = 27,764.24 × 9,625.92
  4. Step 4: Simplify right side
    18,510.52x = 267,256,353.10
  5. Step 5: Solve for x
    x = 267,256,353.10/18,510.52
  6. Step 6: Final answer
    x = 14,438.08

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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.