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Finding the Fourth Proportional to 64,462.69, 88,957.11 and 35,780.66

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Solution

The fourth proportional to 64,462.69, 88,957.11 and 35,780.66 is: 49,376.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,462.69 : 88,957.11 = 35,780.66 : x
  2. Step 2: Convert to fraction form
    64,462.69/88,957.11 = 35,780.66/x
  3. Step 3: Cross multiply
    64,462.69x = 88,957.11 × 35,780.66
  4. Step 4: Simplify right side
    64,462.69x = 3,182,944,107.49
  5. Step 5: Solve for x
    x = 3,182,944,107.49/64,462.69
  6. Step 6: Final answer
    x = 49,376.53

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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.