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Finding the Fourth Proportional to 67,703.68, 101,579.84 and 30,260.64

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Solution

The fourth proportional to 67,703.68, 101,579.84 and 30,260.64 is: 45,401.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,703.68 : 101,579.84 = 30,260.64 : x
  2. Step 2: Convert to fraction form
    67,703.68/101,579.84 = 30,260.64/x
  3. Step 3: Cross multiply
    67,703.68x = 101,579.84 × 30,260.64
  4. Step 4: Simplify right side
    67,703.68x = 3,073,870,969.50
  5. Step 5: Solve for x
    x = 3,073,870,969.50/67,703.68
  6. Step 6: Final answer
    x = 45,401.83

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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.