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Finding the Fourth Proportional to 23,863.80, 32,917.32 and 15,363.12

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Solution

The fourth proportional to 23,863.80, 32,917.32 and 15,363.12 is: 21,191.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,863.80 : 32,917.32 = 15,363.12 : x
  2. Step 2: Convert to fraction form
    23,863.80/32,917.32 = 15,363.12/x
  3. Step 3: Cross multiply
    23,863.80x = 32,917.32 × 15,363.12
  4. Step 4: Simplify right side
    23,863.80x = 505,712,737.24
  5. Step 5: Solve for x
    x = 505,712,737.24/23,863.80
  6. Step 6: Final answer
    x = 21,191.63

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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.