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Finding the Fourth Proportional to 4,834.76, 7,247.16 and 2,750.28

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Solution

The fourth proportional to 4,834.76, 7,247.16 and 2,750.28 is: 4,122.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,834.76 : 7,247.16 = 2,750.28 : x
  2. Step 2: Convert to fraction form
    4,834.76/7,247.16 = 2,750.28/x
  3. Step 3: Cross multiply
    4,834.76x = 7,247.16 × 2,750.28
  4. Step 4: Simplify right side
    4,834.76x = 19,931,719.20
  5. Step 5: Solve for x
    x = 19,931,719.20/4,834.76
  6. Step 6: Final answer
    x = 4,122.59

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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.