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Finding the Fourth Proportional to 5,459.88, 7,515.78 and 4,760.04

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Solution

The fourth proportional to 5,459.88, 7,515.78 and 4,760.04 is: 6,552.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.88 : 7,515.78 = 4,760.04 : x
  2. Step 2: Convert to fraction form
    5,459.88/7,515.78 = 4,760.04/x
  3. Step 3: Cross multiply
    5,459.88x = 7,515.78 × 4,760.04
  4. Step 4: Simplify right side
    5,459.88x = 35,775,413.43
  5. Step 5: Solve for x
    x = 35,775,413.43/5,459.88
  6. Step 6: Final answer
    x = 6,552.42

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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.