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Finding the Fourth Proportional to 60,335.91, 90,508.47 and 15,961.50

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Solution

The fourth proportional to 60,335.91, 90,508.47 and 15,961.50 is: 23,943.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,335.91 : 90,508.47 = 15,961.50 : x
  2. Step 2: Convert to fraction form
    60,335.91/90,508.47 = 15,961.50/x
  3. Step 3: Cross multiply
    60,335.91x = 90,508.47 × 15,961.50
  4. Step 4: Simplify right side
    60,335.91x = 1,444,650,943.91
  5. Step 5: Solve for x
    x = 1,444,650,943.91/60,335.91
  6. Step 6: Final answer
    x = 23,943.47

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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.