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Finding the Fourth Proportional to 17,649.19, 24,355.86 and 9,691.93

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Solution

The fourth proportional to 17,649.19, 24,355.86 and 9,691.93 is: 13,374.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,649.19 : 24,355.86 = 9,691.93 : x
  2. Step 2: Convert to fraction form
    17,649.19/24,355.86 = 9,691.93/x
  3. Step 3: Cross multiply
    17,649.19x = 24,355.86 × 9,691.93
  4. Step 4: Simplify right side
    17,649.19x = 236,055,290.21
  5. Step 5: Solve for x
    x = 236,055,290.21/17,649.19
  6. Step 6: Final answer
    x = 13,374.85

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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.