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Finding the Fourth Proportional to 5,610.80, 7,748.52 and 4,625.84

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Solution

The fourth proportional to 5,610.80, 7,748.52 and 4,625.84 is: 6,388.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,610.80 : 7,748.52 = 4,625.84 : x
  2. Step 2: Convert to fraction form
    5,610.80/7,748.52 = 4,625.84/x
  3. Step 3: Cross multiply
    5,610.80x = 7,748.52 × 4,625.84
  4. Step 4: Simplify right side
    5,610.80x = 35,843,413.76
  5. Step 5: Solve for x
    x = 35,843,413.76/5,610.80
  6. Step 6: Final answer
    x = 6,388.29

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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.