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Finding the Fourth Proportional to 24,980.80, 34,471.84 and 13,802.56

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Solution

The fourth proportional to 24,980.80, 34,471.84 and 13,802.56 is: 19,046.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,980.80 : 34,471.84 = 13,802.56 : x
  2. Step 2: Convert to fraction form
    24,980.80/34,471.84 = 13,802.56/x
  3. Step 3: Cross multiply
    24,980.80x = 34,471.84 × 13,802.56
  4. Step 4: Simplify right side
    24,980.80x = 475,799,639.91
  5. Step 5: Solve for x
    x = 475,799,639.91/24,980.80
  6. Step 6: Final answer
    x = 19,046.61

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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.