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Finding the Fourth Proportional to 5,402.88, 7,455.56 and 3,044.56

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Solution

The fourth proportional to 5,402.88, 7,455.56 and 3,044.56 is: 4,201.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.88 : 7,455.56 = 3,044.56 : x
  2. Step 2: Convert to fraction form
    5,402.88/7,455.56 = 3,044.56/x
  3. Step 3: Cross multiply
    5,402.88x = 7,455.56 × 3,044.56
  4. Step 4: Simplify right side
    5,402.88x = 22,698,899.75
  5. Step 5: Solve for x
    x = 22,698,899.75/5,402.88
  6. Step 6: Final answer
    x = 4,201.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.