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Finding the Fourth Proportional to 63,011.44, 86,948.40 and 36,149.68

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Solution

The fourth proportional to 63,011.44, 86,948.40 and 36,149.68 is: 49,882.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,011.44 : 86,948.40 = 36,149.68 : x
  2. Step 2: Convert to fraction form
    63,011.44/86,948.40 = 36,149.68/x
  3. Step 3: Cross multiply
    63,011.44x = 86,948.40 × 36,149.68
  4. Step 4: Simplify right side
    63,011.44x = 3,143,156,836.51
  5. Step 5: Solve for x
    x = 3,143,156,836.51/63,011.44
  6. Step 6: Final answer
    x = 49,882.32

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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.