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Finding the Fourth Proportional to 58,640.86, 88,007.73 and 30,568.96

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Solution

The fourth proportional to 58,640.86, 88,007.73 and 30,568.96 is: 45,877.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,640.86 : 88,007.73 = 30,568.96 : x
  2. Step 2: Convert to fraction form
    58,640.86/88,007.73 = 30,568.96/x
  3. Step 3: Cross multiply
    58,640.86x = 88,007.73 × 30,568.96
  4. Step 4: Simplify right side
    58,640.86x = 2,690,304,778.06
  5. Step 5: Solve for x
    x = 2,690,304,778.06/58,640.86
  6. Step 6: Final answer
    x = 45,877.65

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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.