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Finding the Fourth Proportional to 84,613.93, 126,919.98 and 34,682.89

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Solution

The fourth proportional to 84,613.93, 126,919.98 and 34,682.89 is: 52,023.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,613.93 : 126,919.98 = 34,682.89 : x
  2. Step 2: Convert to fraction form
    84,613.93/126,919.98 = 34,682.89/x
  3. Step 3: Cross multiply
    84,613.93x = 126,919.98 × 34,682.89
  4. Step 4: Simplify right side
    84,613.93x = 4,401,952,004.22
  5. Step 5: Solve for x
    x = 4,401,952,004.22/84,613.93
  6. Step 6: Final answer
    x = 52,023.97

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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.