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Finding the Fourth Proportional to 5,610.22, 7,686.06 and 5,400.04

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Solution

The fourth proportional to 5,610.22, 7,686.06 and 5,400.04 is: 7,398.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,610.22 : 7,686.06 = 5,400.04 : x
  2. Step 2: Convert to fraction form
    5,610.22/7,686.06 = 5,400.04/x
  3. Step 3: Cross multiply
    5,610.22x = 7,686.06 × 5,400.04
  4. Step 4: Simplify right side
    5,610.22x = 41,505,031.44
  5. Step 5: Solve for x
    x = 41,505,031.44/5,610.22
  6. Step 6: Final answer
    x = 7,398.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.