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Finding the Fourth Proportional to 60,489.62, 83,451.68 and 34,991.25

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Solution

The fourth proportional to 60,489.62, 83,451.68 and 34,991.25 is: 48,274.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,489.62 : 83,451.68 = 34,991.25 : x
  2. Step 2: Convert to fraction form
    60,489.62/83,451.68 = 34,991.25/x
  3. Step 3: Cross multiply
    60,489.62x = 83,451.68 × 34,991.25
  4. Step 4: Simplify right side
    60,489.62x = 2,920,078,597.80
  5. Step 5: Solve for x
    x = 2,920,078,597.80/60,489.62
  6. Step 6: Final answer
    x = 48,274.05

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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.