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Finding the Fourth Proportional to 34,866.68, 48,115.89 and 18,951.39

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Solution

The fourth proportional to 34,866.68, 48,115.89 and 18,951.39 is: 26,152.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,866.68 : 48,115.89 = 18,951.39 : x
  2. Step 2: Convert to fraction form
    34,866.68/48,115.89 = 18,951.39/x
  3. Step 3: Cross multiply
    34,866.68x = 48,115.89 × 18,951.39
  4. Step 4: Simplify right side
    34,866.68x = 911,862,996.59
  5. Step 5: Solve for x
    x = 911,862,996.59/34,866.68
  6. Step 6: Final answer
    x = 26,152.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.