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Finding the Fourth Proportional to 12,614.97, 18,924.29 and 3,848.75

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Solution

The fourth proportional to 12,614.97, 18,924.29 and 3,848.75 is: 5,773.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,614.97 : 18,924.29 = 3,848.75 : x
  2. Step 2: Convert to fraction form
    12,614.97/18,924.29 = 3,848.75/x
  3. Step 3: Cross multiply
    12,614.97x = 18,924.29 × 3,848.75
  4. Step 4: Simplify right side
    12,614.97x = 72,834,861.14
  5. Step 5: Solve for x
    x = 72,834,861.14/12,614.97
  6. Step 6: Final answer
    x = 5,773.68

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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.