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Finding the Fourth Proportional to 13,355.92, 20,032.92 and 5,961.04

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Solution

The fourth proportional to 13,355.92, 20,032.92 and 5,961.04 is: 8,941.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355.92 : 20,032.92 = 5,961.04 : x
  2. Step 2: Convert to fraction form
    13,355.92/20,032.92 = 5,961.04/x
  3. Step 3: Cross multiply
    13,355.92x = 20,032.92 × 5,961.04
  4. Step 4: Simplify right side
    13,355.92x = 119,417,037.44
  5. Step 5: Solve for x
    x = 119,417,037.44/13,355.92
  6. Step 6: Final answer
    x = 8,941.13

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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.