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Finding the Fourth Proportional to 63,542.80, 87,700.68 and 36,681.64

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Solution

The fourth proportional to 63,542.80, 87,700.68 and 36,681.64 is: 50,627.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,542.80 : 87,700.68 = 36,681.64 : x
  2. Step 2: Convert to fraction form
    63,542.80/87,700.68 = 36,681.64/x
  3. Step 3: Cross multiply
    63,542.80x = 87,700.68 × 36,681.64
  4. Step 4: Simplify right side
    63,542.80x = 3,217,004,771.52
  5. Step 5: Solve for x
    x = 3,217,004,771.52/63,542.80
  6. Step 6: Final answer
    x = 50,627.37

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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.