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Finding the Fourth Proportional to 43,659.35, 65,489.47 and 34,949.63

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Solution

The fourth proportional to 43,659.35, 65,489.47 and 34,949.63 is: 52,424.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,659.35 : 65,489.47 = 34,949.63 : x
  2. Step 2: Convert to fraction form
    43,659.35/65,489.47 = 34,949.63/x
  3. Step 3: Cross multiply
    43,659.35x = 65,489.47 × 34,949.63
  4. Step 4: Simplify right side
    43,659.35x = 2,288,832,417.95
  5. Step 5: Solve for x
    x = 2,288,832,417.95/43,659.35
  6. Step 6: Final answer
    x = 52,424.80

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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.