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Finding the Fourth Proportional to 5,282.88, 7,904.16 and 3,092.64

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Solution

The fourth proportional to 5,282.88, 7,904.16 and 3,092.64 is: 4,627.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.88 : 7,904.16 = 3,092.64 : x
  2. Step 2: Convert to fraction form
    5,282.88/7,904.16 = 3,092.64/x
  3. Step 3: Cross multiply
    5,282.88x = 7,904.16 × 3,092.64
  4. Step 4: Simplify right side
    5,282.88x = 24,444,721.38
  5. Step 5: Solve for x
    x = 24,444,721.38/5,282.88
  6. Step 6: Final answer
    x = 4,627.16

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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.