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Finding the Fourth Proportional to 7,244.76, 10,859.82 and 2,865.30

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Solution

The fourth proportional to 7,244.76, 10,859.82 and 2,865.30 is: 4,295.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,244.76 : 10,859.82 = 2,865.30 : x
  2. Step 2: Convert to fraction form
    7,244.76/10,859.82 = 2,865.30/x
  3. Step 3: Cross multiply
    7,244.76x = 10,859.82 × 2,865.30
  4. Step 4: Simplify right side
    7,244.76x = 31,116,642.25
  5. Step 5: Solve for x
    x = 31,116,642.25/7,244.76
  6. Step 6: Final answer
    x = 4,295.05

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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.