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Finding the Fourth Proportional to 8,792.82, 13,177.62 and 5,271.48

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Solution

The fourth proportional to 8,792.82, 13,177.62 and 5,271.48 is: 7,900.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,792.82 : 13,177.62 = 5,271.48 : x
  2. Step 2: Convert to fraction form
    8,792.82/13,177.62 = 5,271.48/x
  3. Step 3: Cross multiply
    8,792.82x = 13,177.62 × 5,271.48
  4. Step 4: Simplify right side
    8,792.82x = 69,465,560.28
  5. Step 5: Solve for x
    x = 69,465,560.28/8,792.82
  6. Step 6: Final answer
    x = 7,900.26

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1.5x scale

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.