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Finding the Fourth Proportional to 43,909.00, 65,866.43 and 15,442.53

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Solution

The fourth proportional to 43,909.00, 65,866.43 and 15,442.53 is: 23,164.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,909.00 : 65,866.43 = 15,442.53 : x
  2. Step 2: Convert to fraction form
    43,909.00/65,866.43 = 15,442.53/x
  3. Step 3: Cross multiply
    43,909.00x = 65,866.43 × 15,442.53
  4. Step 4: Simplify right side
    43,909.00x = 1,017,144,625.19
  5. Step 5: Solve for x
    x = 1,017,144,625.19/43,909.00
  6. Step 6: Final answer
    x = 23,164.83

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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.