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Finding the Fourth Proportional to 17,892.74, 24,685.88 and 10,440.74

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Solution

The fourth proportional to 17,892.74, 24,685.88 and 10,440.74 is: 14,404.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,892.74 : 24,685.88 = 10,440.74 : x
  2. Step 2: Convert to fraction form
    17,892.74/24,685.88 = 10,440.74/x
  3. Step 3: Cross multiply
    17,892.74x = 24,685.88 × 10,440.74
  4. Step 4: Simplify right side
    17,892.74x = 257,738,854.75
  5. Step 5: Solve for x
    x = 257,738,854.75/17,892.74
  6. Step 6: Final answer
    x = 14,404.66

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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.