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Finding the Fourth Proportional to 43,354.65, 65,038.17 and 13,371.41

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Solution

The fourth proportional to 43,354.65, 65,038.17 and 13,371.41 is: 20,059.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,354.65 : 65,038.17 = 13,371.41 : x
  2. Step 2: Convert to fraction form
    43,354.65/65,038.17 = 13,371.41/x
  3. Step 3: Cross multiply
    43,354.65x = 65,038.17 × 13,371.41
  4. Step 4: Simplify right side
    43,354.65x = 869,651,711.53
  5. Step 5: Solve for x
    x = 869,651,711.53/43,354.65
  6. Step 6: Final answer
    x = 20,059.02

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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.