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Finding the Fourth Proportional to 17,472.69, 24,129.45 and 14,940.18

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Solution

The fourth proportional to 17,472.69, 24,129.45 and 14,940.18 is: 20,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,472.69 : 24,129.45 = 14,940.18 : x
  2. Step 2: Convert to fraction form
    17,472.69/24,129.45 = 14,940.18/x
  3. Step 3: Cross multiply
    17,472.69x = 24,129.45 × 14,940.18
  4. Step 4: Simplify right side
    17,472.69x = 360,498,326.30
  5. Step 5: Solve for x
    x = 360,498,326.30/17,472.69
  6. Step 6: Final answer
    x = 20,632.10

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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.