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Finding the Fourth Proportional to 43,960.64, 65,882.64 and 38,089.76

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Solution

The fourth proportional to 43,960.64, 65,882.64 and 38,089.76 is: 57,084.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,960.64 : 65,882.64 = 38,089.76 : x
  2. Step 2: Convert to fraction form
    43,960.64/65,882.64 = 38,089.76/x
  3. Step 3: Cross multiply
    43,960.64x = 65,882.64 × 38,089.76
  4. Step 4: Simplify right side
    43,960.64x = 2,509,453,945.77
  5. Step 5: Solve for x
    x = 2,509,453,945.77/43,960.64
  6. Step 6: Final answer
    x = 57,084.11

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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.