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Finding the Fourth Proportional to 62,169.42, 85,790.88 and 35,308.44

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Solution

The fourth proportional to 62,169.42, 85,790.88 and 35,308.44 is: 48,723.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,169.42 : 85,790.88 = 35,308.44 : x
  2. Step 2: Convert to fraction form
    62,169.42/85,790.88 = 35,308.44/x
  3. Step 3: Cross multiply
    62,169.42x = 85,790.88 × 35,308.44
  4. Step 4: Simplify right side
    62,169.42x = 3,029,142,139.03
  5. Step 5: Solve for x
    x = 3,029,142,139.03/62,169.42
  6. Step 6: Final answer
    x = 48,723.99

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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.