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Finding the Fourth Proportional to 10,491.08, 15,799.13 and 9,462.92

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Solution

The fourth proportional to 10,491.08, 15,799.13 and 9,462.92 is: 14,250.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,491.08 : 15,799.13 = 9,462.92 : x
  2. Step 2: Convert to fraction form
    10,491.08/15,799.13 = 9,462.92/x
  3. Step 3: Cross multiply
    10,491.08x = 15,799.13 × 9,462.92
  4. Step 4: Simplify right side
    10,491.08x = 149,505,903.26
  5. Step 5: Solve for x
    x = 149,505,903.26/10,491.08
  6. Step 6: Final answer
    x = 14,250.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.