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Finding the Fourth Proportional to 79,446.74, 109,609.80 and 44,986.77

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Solution

The fourth proportional to 79,446.74, 109,609.80 and 44,986.77 is: 62,066.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,446.74 : 109,609.80 = 44,986.77 : x
  2. Step 2: Convert to fraction form
    79,446.74/109,609.80 = 44,986.77/x
  3. Step 3: Cross multiply
    79,446.74x = 109,609.80 × 44,986.77
  4. Step 4: Simplify right side
    79,446.74x = 4,930,990,862.35
  5. Step 5: Solve for x
    x = 4,930,990,862.35/79,446.74
  6. Step 6: Final answer
    x = 62,066.63

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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.