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Finding the Fourth Proportional to 17,382.75, 23,988.23 and 9,424.98

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Solution

The fourth proportional to 17,382.75, 23,988.23 and 9,424.98 is: 13,006.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,382.75 : 23,988.23 = 9,424.98 : x
  2. Step 2: Convert to fraction form
    17,382.75/23,988.23 = 9,424.98/x
  3. Step 3: Cross multiply
    17,382.75x = 23,988.23 × 9,424.98
  4. Step 4: Simplify right side
    17,382.75x = 226,088,540.86
  5. Step 5: Solve for x
    x = 226,088,540.86/17,382.75
  6. Step 6: Final answer
    x = 13,006.49

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Half scale
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Double scale
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Similar ratio
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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.