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Finding the Fourth Proportional to 2,023.44, 3,035.28 and 542.88

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Solution

The fourth proportional to 2,023.44, 3,035.28 and 542.88 is: 814.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,023.44 : 3,035.28 = 542.88 : x
  2. Step 2: Convert to fraction form
    2,023.44/3,035.28 = 542.88/x
  3. Step 3: Cross multiply
    2,023.44x = 3,035.28 × 542.88
  4. Step 4: Simplify right side
    2,023.44x = 1,647,792.81
  5. Step 5: Solve for x
    x = 1,647,792.81/2,023.44
  6. Step 6: Final answer
    x = 814.35

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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.