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Finding the Fourth Proportional to 6,980.76, 10,470.87 and 2,363.76

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Solution

The fourth proportional to 6,980.76, 10,470.87 and 2,363.76 is: 3,545.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,980.76 : 10,470.87 = 2,363.76 : x
  2. Step 2: Convert to fraction form
    6,980.76/10,470.87 = 2,363.76/x
  3. Step 3: Cross multiply
    6,980.76x = 10,470.87 × 2,363.76
  4. Step 4: Simplify right side
    6,980.76x = 24,750,623.67
  5. Step 5: Solve for x
    x = 24,750,623.67/6,980.76
  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.