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Finding the Fourth Proportional to 63,040.68, 86,968.08 and 36,176.76

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Solution

The fourth proportional to 63,040.68, 86,968.08 and 36,176.76 is: 49,907.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,040.68 : 86,968.08 = 36,176.76 : x
  2. Step 2: Convert to fraction form
    63,040.68/86,968.08 = 36,176.76/x
  3. Step 3: Cross multiply
    63,040.68x = 86,968.08 × 36,176.76
  4. Step 4: Simplify right side
    63,040.68x = 3,146,223,357.82
  5. Step 5: Solve for x
    x = 3,146,223,357.82/63,040.68
  6. Step 6: Final answer
    x = 49,907.83

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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.