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Finding the Fourth Proportional to 63,015.13, 86,977.65 and 37,196.38

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Solution

The fourth proportional to 63,015.13, 86,977.65 and 37,196.38 is: 51,340.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,015.13 : 86,977.65 = 37,196.38 : x
  2. Step 2: Convert to fraction form
    63,015.13/86,977.65 = 37,196.38/x
  3. Step 3: Cross multiply
    63,015.13x = 86,977.65 × 37,196.38
  4. Step 4: Simplify right side
    63,015.13x = 3,235,253,720.91
  5. Step 5: Solve for x
    x = 3,235,253,720.91/63,015.13
  6. Step 6: Final answer
    x = 51,340.90

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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.