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Finding the Fourth Proportional to 62,149.68, 85,767.12 and 36,656.64

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Solution

The fourth proportional to 62,149.68, 85,767.12 and 36,656.64 is: 50,586.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,149.68 : 85,767.12 = 36,656.64 : x
  2. Step 2: Convert to fraction form
    62,149.68/85,767.12 = 36,656.64/x
  3. Step 3: Cross multiply
    62,149.68x = 85,767.12 × 36,656.64
  4. Step 4: Simplify right side
    62,149.68x = 3,143,934,441.68
  5. Step 5: Solve for x
    x = 3,143,934,441.68/62,149.68
  6. Step 6: Final answer
    x = 50,586.49

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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.