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Finding the Fourth Proportional to 64,306.98, 88,743.24 and 36,012.60

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Solution

The fourth proportional to 64,306.98, 88,743.24 and 36,012.60 is: 49,697.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,306.98 : 88,743.24 = 36,012.60 : x
  2. Step 2: Convert to fraction form
    64,306.98/88,743.24 = 36,012.60/x
  3. Step 3: Cross multiply
    64,306.98x = 88,743.24 × 36,012.60
  4. Step 4: Simplify right side
    64,306.98x = 3,195,874,804.82
  5. Step 5: Solve for x
    x = 3,195,874,804.82/64,306.98
  6. Step 6: Final answer
    x = 49,697.17

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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.