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Finding the Fourth Proportional to 24,874.58, 34,311.84 and 15,918.92

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Solution

The fourth proportional to 24,874.58, 34,311.84 and 15,918.92 is: 21,958.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,874.58 : 34,311.84 = 15,918.92 : x
  2. Step 2: Convert to fraction form
    24,874.58/34,311.84 = 15,918.92/x
  3. Step 3: Cross multiply
    24,874.58x = 34,311.84 × 15,918.92
  4. Step 4: Simplify right side
    24,874.58x = 546,207,436.01
  5. Step 5: Solve for x
    x = 546,207,436.01/24,874.58
  6. Step 6: Final answer
    x = 21,958.46

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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.