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Finding the Fourth Proportional to 23,561.92, 32,515.52 and 12,952.64

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Solution

The fourth proportional to 23,561.92, 32,515.52 and 12,952.64 is: 17,874.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,561.92 : 32,515.52 = 12,952.64 : x
  2. Step 2: Convert to fraction form
    23,561.92/32,515.52 = 12,952.64/x
  3. Step 3: Cross multiply
    23,561.92x = 32,515.52 × 12,952.64
  4. Step 4: Simplify right side
    23,561.92x = 421,161,824.97
  5. Step 5: Solve for x
    x = 421,161,824.97/23,561.92
  6. Step 6: Final answer
    x = 17,874.68

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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.