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Finding the Fourth Proportional to 64,376.55, 88,838.25 and 36,081.63

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Solution

The fourth proportional to 64,376.55, 88,838.25 and 36,081.63 is: 49,791.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,376.55 : 88,838.25 = 36,081.63 : x
  2. Step 2: Convert to fraction form
    64,376.55/88,838.25 = 36,081.63/x
  3. Step 3: Cross multiply
    64,376.55x = 88,838.25 × 36,081.63
  4. Step 4: Simplify right side
    64,376.55x = 3,205,428,866.35
  5. Step 5: Solve for x
    x = 3,205,428,866.35/64,376.55
  6. Step 6: Final answer
    x = 49,791.87

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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.