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Finding the Fourth Proportional to 17,680.87, 24,400.77 and 10,508.88

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Solution

The fourth proportional to 17,680.87, 24,400.77 and 10,508.88 is: 14,502.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,680.87 : 24,400.77 = 10,508.88 : x
  2. Step 2: Convert to fraction form
    17,680.87/24,400.77 = 10,508.88/x
  3. Step 3: Cross multiply
    17,680.87x = 24,400.77 × 10,508.88
  4. Step 4: Simplify right side
    17,680.87x = 256,424,673.92
  5. Step 5: Solve for x
    x = 256,424,673.92/17,680.87
  6. Step 6: Final answer
    x = 14,502.94

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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.