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Finding the Fourth Proportional to 63,343.56, 95,015.40 and 21,790.56

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Solution

The fourth proportional to 63,343.56, 95,015.40 and 21,790.56 is: 32,685.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,343.56 : 95,015.40 = 21,790.56 : x
  2. Step 2: Convert to fraction form
    63,343.56/95,015.40 = 21,790.56/x
  3. Step 3: Cross multiply
    63,343.56x = 95,015.40 × 21,790.56
  4. Step 4: Simplify right side
    63,343.56x = 2,070,438,774.62
  5. Step 5: Solve for x
    x = 2,070,438,774.62/63,343.56
  6. Step 6: Final answer
    x = 32,685.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.