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Finding the Fourth Proportional to 67,045.68, 100,581.48 and 22,679.64

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Solution

The fourth proportional to 67,045.68, 100,581.48 and 22,679.64 is: 34,023.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,045.68 : 100,581.48 = 22,679.64 : x
  2. Step 2: Convert to fraction form
    67,045.68/100,581.48 = 22,679.64/x
  3. Step 3: Cross multiply
    67,045.68x = 100,581.48 × 22,679.64
  4. Step 4: Simplify right side
    67,045.68x = 2,281,151,757.07
  5. Step 5: Solve for x
    x = 2,281,151,757.07/67,045.68
  6. Step 6: Final answer
    x = 34,023.84

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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.