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Finding the Fourth Proportional to 63,642.05, 87,841.90 and 36,800.03

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Solution

The fourth proportional to 63,642.05, 87,841.90 and 36,800.03 is: 50,793.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,642.05 : 87,841.90 = 36,800.03 : x
  2. Step 2: Convert to fraction form
    63,642.05/87,841.90 = 36,800.03/x
  3. Step 3: Cross multiply
    63,642.05x = 87,841.90 × 36,800.03
  4. Step 4: Simplify right side
    63,642.05x = 3,232,584,555.26
  5. Step 5: Solve for x
    x = 3,232,584,555.26/63,642.05
  6. Step 6: Final answer
    x = 50,793.22

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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.