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Finding the Fourth Proportional to 23,863.92, 32,931.73 and 13,253.19

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Solution

The fourth proportional to 23,863.92, 32,931.73 and 13,253.19 is: 18,289.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,863.92 : 32,931.73 = 13,253.19 : x
  2. Step 2: Convert to fraction form
    23,863.92/32,931.73 = 13,253.19/x
  3. Step 3: Cross multiply
    23,863.92x = 32,931.73 × 13,253.19
  4. Step 4: Simplify right side
    23,863.92x = 436,450,474.72
  5. Step 5: Solve for x
    x = 436,450,474.72/23,863.92
  6. Step 6: Final answer
    x = 18,289.14

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Double scale
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Similar ratio
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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.