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Finding the Fourth Proportional to 5,004.88, 7,508.32 and 1,542

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Solution

The fourth proportional to 5,004.88, 7,508.32 and 1,542 is: 2,313.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,004.88 : 7,508.32 = 1,542 : x
  2. Step 2: Convert to fraction form
    5,004.88/7,508.32 = 1,542/x
  3. Step 3: Cross multiply
    5,004.88x = 7,508.32 × 1,542
  4. Step 4: Simplify right side
    5,004.88x = 11,577,829.44
  5. Step 5: Solve for x
    x = 11,577,829.44/5,004.88
  6. Step 6: Final answer
    x = 2,313.31

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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.