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Finding the Fourth Proportional to 61,195.82, 84,451.53 and 34,340.27

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Solution

The fourth proportional to 61,195.82, 84,451.53 and 34,340.27 is: 47,390.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,195.82 : 84,451.53 = 34,340.27 : x
  2. Step 2: Convert to fraction form
    61,195.82/84,451.53 = 34,340.27/x
  3. Step 3: Cross multiply
    61,195.82x = 84,451.53 × 34,340.27
  4. Step 4: Simplify right side
    61,195.82x = 2,900,087,919.86
  5. Step 5: Solve for x
    x = 2,900,087,919.86/61,195.82
  6. Step 6: Final answer
    x = 47,390.30

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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.