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Finding the Fourth Proportional to 34,866.86, 48,116.70 and 18,951.30

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Solution

The fourth proportional to 34,866.86, 48,116.70 and 18,951.30 is: 26,153.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,866.86 : 48,116.70 = 18,951.30 : x
  2. Step 2: Convert to fraction form
    34,866.86/48,116.70 = 18,951.30/x
  3. Step 3: Cross multiply
    34,866.86x = 48,116.70 × 18,951.30
  4. Step 4: Simplify right side
    34,866.86x = 911,874,016.71
  5. Step 5: Solve for x
    x = 911,874,016.71/34,866.86
  6. Step 6: Final answer
    x = 26,153.03

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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.