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Finding the Fourth Proportional to 64,306.88, 88,744.11 and 35,627.15

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Solution

The fourth proportional to 64,306.88, 88,744.11 and 35,627.15 is: 49,165.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,306.88 : 88,744.11 = 35,627.15 : x
  2. Step 2: Convert to fraction form
    64,306.88/88,744.11 = 35,627.15/x
  3. Step 3: Cross multiply
    64,306.88x = 88,744.11 × 35,627.15
  4. Step 4: Simplify right side
    64,306.88x = 3,161,699,718.59
  5. Step 5: Solve for x
    x = 3,161,699,718.59/64,306.88
  6. Step 6: Final answer
    x = 49,165.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.