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Finding the Fourth Proportional to 75,409.92, 113,116.50 and 22,819.32

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Solution

The fourth proportional to 75,409.92, 113,116.50 and 22,819.32 is: 34,229.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,409.92 : 113,116.50 = 22,819.32 : x
  2. Step 2: Convert to fraction form
    75,409.92/113,116.50 = 22,819.32/x
  3. Step 3: Cross multiply
    75,409.92x = 113,116.50 × 22,819.32
  4. Step 4: Simplify right side
    75,409.92x = 2,581,241,610.78
  5. Step 5: Solve for x
    x = 2,581,241,610.78/75,409.92
  6. Step 6: Final answer
    x = 34,229.47

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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.