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Finding the Fourth Proportional to 4,000.71, 5,522.52 and 3,008.87

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Solution

The fourth proportional to 4,000.71, 5,522.52 and 3,008.87 is: 4,153.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.71 : 5,522.52 = 3,008.87 : x
  2. Step 2: Convert to fraction form
    4,000.71/5,522.52 = 3,008.87/x
  3. Step 3: Cross multiply
    4,000.71x = 5,522.52 × 3,008.87
  4. Step 4: Simplify right side
    4,000.71x = 16,616,544.75
  5. Step 5: Solve for x
    x = 16,616,544.75/4,000.71
  6. Step 6: Final answer
    x = 4,153.40

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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.