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Finding the Fourth Proportional to 60,258.88, 90,388.86 and 15,891.94

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Solution

The fourth proportional to 60,258.88, 90,388.86 and 15,891.94 is: 23,838.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,258.88 : 90,388.86 = 15,891.94 : x
  2. Step 2: Convert to fraction form
    60,258.88/90,388.86 = 15,891.94/x
  3. Step 3: Cross multiply
    60,258.88x = 90,388.86 × 15,891.94
  4. Step 4: Simplify right side
    60,258.88x = 1,436,454,339.79
  5. Step 5: Solve for x
    x = 1,436,454,339.79/60,258.88
  6. Step 6: Final answer
    x = 23,838.05

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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.