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Finding the Fourth Proportional to 8,242.32, 12,361.68 and 3,044.40

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Solution

The fourth proportional to 8,242.32, 12,361.68 and 3,044.40 is: 4,565.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,242.32 : 12,361.68 = 3,044.40 : x
  2. Step 2: Convert to fraction form
    8,242.32/12,361.68 = 3,044.40/x
  3. Step 3: Cross multiply
    8,242.32x = 12,361.68 × 3,044.40
  4. Step 4: Simplify right side
    8,242.32x = 37,633,898.59
  5. Step 5: Solve for x
    x = 37,633,898.59/8,242.32
  6. Step 6: Final answer
    x = 4,565.94

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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.