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Finding the Fourth Proportional to 43,658.36, 65,450.52 and 15,569.96

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Solution

The fourth proportional to 43,658.36, 65,450.52 and 15,569.96 is: 23,341.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,658.36 : 65,450.52 = 15,569.96 : x
  2. Step 2: Convert to fraction form
    43,658.36/65,450.52 = 15,569.96/x
  3. Step 3: Cross multiply
    43,658.36x = 65,450.52 × 15,569.96
  4. Step 4: Simplify right side
    43,658.36x = 1,019,061,978.38
  5. Step 5: Solve for x
    x = 1,019,061,978.38/43,658.36
  6. Step 6: Final answer
    x = 23,341.74

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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.