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Finding the Fourth Proportional to 63,422.47, 87,522.84 and 36,564.85

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Solution

The fourth proportional to 63,422.47, 87,522.84 and 36,564.85 is: 50,459.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,422.47 : 87,522.84 = 36,564.85 : x
  2. Step 2: Convert to fraction form
    63,422.47/87,522.84 = 36,564.85/x
  3. Step 3: Cross multiply
    63,422.47x = 87,522.84 × 36,564.85
  4. Step 4: Simplify right side
    63,422.47x = 3,200,259,516.17
  5. Step 5: Solve for x
    x = 3,200,259,516.17/63,422.47
  6. Step 6: Final answer
    x = 50,459.40

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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.