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Finding the Fourth Proportional to 63,007.97, 86,950.07 and 36,149.88

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Solution

The fourth proportional to 63,007.97, 86,950.07 and 36,149.88 is: 49,886.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,007.97 : 86,950.07 = 36,149.88 : x
  2. Step 2: Convert to fraction form
    63,007.97/86,950.07 = 36,149.88/x
  3. Step 3: Cross multiply
    63,007.97x = 86,950.07 × 36,149.88
  4. Step 4: Simplify right side
    63,007.97x = 3,143,235,080.71
  5. Step 5: Solve for x
    x = 3,143,235,080.71/63,007.97
  6. Step 6: Final answer
    x = 49,886.31

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1.5x scale

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.