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Finding the Fourth Proportional to 63,217.68, 87,243.04 and 36,360.20

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Solution

The fourth proportional to 63,217.68, 87,243.04 and 36,360.20 is: 50,178.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,217.68 : 87,243.04 = 36,360.20 : x
  2. Step 2: Convert to fraction form
    63,217.68/87,243.04 = 36,360.20/x
  3. Step 3: Cross multiply
    63,217.68x = 87,243.04 × 36,360.20
  4. Step 4: Simplify right side
    63,217.68x = 3,172,174,383.01
  5. Step 5: Solve for x
    x = 3,172,174,383.01/63,217.68
  6. Step 6: Final answer
    x = 50,178.60

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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.