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Finding the Fourth Proportional to 61,843.77, 85,337.20 and 34,621.34

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Solution

The fourth proportional to 61,843.77, 85,337.20 and 34,621.34 is: 47,773.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,843.77 : 85,337.20 = 34,621.34 : x
  2. Step 2: Convert to fraction form
    61,843.77/85,337.20 = 34,621.34/x
  3. Step 3: Cross multiply
    61,843.77x = 85,337.20 × 34,621.34
  4. Step 4: Simplify right side
    61,843.77x = 2,954,488,117.72
  5. Step 5: Solve for x
    x = 2,954,488,117.72/61,843.77
  6. Step 6: Final answer
    x = 47,773.42

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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.