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Finding the Fourth Proportional to 61,902.88, 92,867.16 and 28,152.82

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Solution

The fourth proportional to 61,902.88, 92,867.16 and 28,152.82 is: 42,235.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,902.88 : 92,867.16 = 28,152.82 : x
  2. Step 2: Convert to fraction form
    61,902.88/92,867.16 = 28,152.82/x
  3. Step 3: Cross multiply
    61,902.88x = 92,867.16 × 28,152.82
  4. Step 4: Simplify right side
    61,902.88x = 2,614,472,439.39
  5. Step 5: Solve for x
    x = 2,614,472,439.39/61,902.88
  6. Step 6: Final answer
    x = 42,235.07

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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.