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Finding the Fourth Proportional to 17,763.98, 24,511.01 and 11,391.71

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Solution

The fourth proportional to 17,763.98, 24,511.01 and 11,391.71 is: 15,718.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,763.98 : 24,511.01 = 11,391.71 : x
  2. Step 2: Convert to fraction form
    17,763.98/24,511.01 = 11,391.71/x
  3. Step 3: Cross multiply
    17,763.98x = 24,511.01 × 11,391.71
  4. Step 4: Simplify right side
    17,763.98x = 279,222,138.21
  5. Step 5: Solve for x
    x = 279,222,138.21/17,763.98
  6. Step 6: Final answer
    x = 15,718.45

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Half scale
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Double scale
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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.