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Finding the Fourth Proportional to 61,447.88, 84,797.05 and 34,590.30

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Solution

The fourth proportional to 61,447.88, 84,797.05 and 34,590.30 is: 47,734.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,447.88 : 84,797.05 = 34,590.30 : x
  2. Step 2: Convert to fraction form
    61,447.88/84,797.05 = 34,590.30/x
  3. Step 3: Cross multiply
    61,447.88x = 84,797.05 × 34,590.30
  4. Step 4: Simplify right side
    61,447.88x = 2,933,155,398.62
  5. Step 5: Solve for x
    x = 2,933,155,398.62/61,447.88
  6. Step 6: Final answer
    x = 47,734.04

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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.