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Finding the Fourth Proportional to 5,981.64, 8,955.78 and 5,522.28

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Solution

The fourth proportional to 5,981.64, 8,955.78 and 5,522.28 is: 8,268.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,981.64 : 8,955.78 = 5,522.28 : x
  2. Step 2: Convert to fraction form
    5,981.64/8,955.78 = 5,522.28/x
  3. Step 3: Cross multiply
    5,981.64x = 8,955.78 × 5,522.28
  4. Step 4: Simplify right side
    5,981.64x = 49,456,324.78
  5. Step 5: Solve for x
    x = 49,456,324.78/5,981.64
  6. Step 6: Final answer
    x = 8,268.02

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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.