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Finding the Fourth Proportional to 23,502.50, 32,433.22 and 12,891.90

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Solution

The fourth proportional to 23,502.50, 32,433.22 and 12,891.90 is: 17,790.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,502.50 : 32,433.22 = 12,891.90 : x
  2. Step 2: Convert to fraction form
    23,502.50/32,433.22 = 12,891.90/x
  3. Step 3: Cross multiply
    23,502.50x = 32,433.22 × 12,891.90
  4. Step 4: Simplify right side
    23,502.50x = 418,125,828.92
  5. Step 5: Solve for x
    x = 418,125,828.92/23,502.50
  6. Step 6: Final answer
    x = 17,790.70

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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.