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Finding the Fourth Proportional to 7,910.66, 11,866.60 and 2,363.58

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Solution

The fourth proportional to 7,910.66, 11,866.60 and 2,363.58 is: 3,545.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,910.66 : 11,866.60 = 2,363.58 : x
  2. Step 2: Convert to fraction form
    7,910.66/11,866.60 = 2,363.58/x
  3. Step 3: Cross multiply
    7,910.66x = 11,866.60 × 2,363.58
  4. Step 4: Simplify right side
    7,910.66x = 28,047,661.38
  5. Step 5: Solve for x
    x = 28,047,661.38/7,910.66
  6. Step 6: Final answer
    x = 3,545.55

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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.