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Finding the Fourth Proportional to 60,581.92, 90,876.51 and 19,028.92

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Solution

The fourth proportional to 60,581.92, 90,876.51 and 19,028.92 is: 28,544.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,581.92 : 90,876.51 = 19,028.92 : x
  2. Step 2: Convert to fraction form
    60,581.92/90,876.51 = 19,028.92/x
  3. Step 3: Cross multiply
    60,581.92x = 90,876.51 × 19,028.92
  4. Step 4: Simplify right side
    60,581.92x = 1,729,281,838.67
  5. Step 5: Solve for x
    x = 1,729,281,838.67/60,581.92
  6. Step 6: Final answer
    x = 28,544.52

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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.