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Finding the Fourth Proportional to 13,502.92, 18,632.28 and 7,832.92

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Solution

The fourth proportional to 13,502.92, 18,632.28 and 7,832.92 is: 10,808.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,502.92 : 18,632.28 = 7,832.92 : x
  2. Step 2: Convert to fraction form
    13,502.92/18,632.28 = 7,832.92/x
  3. Step 3: Cross multiply
    13,502.92x = 18,632.28 × 7,832.92
  4. Step 4: Simplify right side
    13,502.92x = 145,945,158.66
  5. Step 5: Solve for x
    x = 145,945,158.66/13,502.92
  6. Step 6: Final answer
    x = 10,808.41

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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.