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Finding the Fourth Proportional to 23,199.71, 34,799.55 and 8,408.60

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Solution

The fourth proportional to 23,199.71, 34,799.55 and 8,408.60 is: 12,612.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,199.71 : 34,799.55 = 8,408.60 : x
  2. Step 2: Convert to fraction form
    23,199.71/34,799.55 = 8,408.60/x
  3. Step 3: Cross multiply
    23,199.71x = 34,799.55 × 8,408.60
  4. Step 4: Simplify right side
    23,199.71x = 292,615,322.13
  5. Step 5: Solve for x
    x = 292,615,322.13/23,199.71
  6. Step 6: Final answer
    x = 12,612.89

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.