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Finding the Fourth Proportional to 75,613.80, 113,469.30 and 44,023.80

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Solution

The fourth proportional to 75,613.80, 113,469.30 and 44,023.80 is: 66,064.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,613.80 : 113,469.30 = 44,023.80 : x
  2. Step 2: Convert to fraction form
    75,613.80/113,469.30 = 44,023.80/x
  3. Step 3: Cross multiply
    75,613.80x = 113,469.30 × 44,023.80
  4. Step 4: Simplify right side
    75,613.80x = 4,995,349,769.34
  5. Step 5: Solve for x
    x = 4,995,349,769.34/75,613.80
  6. Step 6: Final answer
    x = 66,064.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.