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Finding the Fourth Proportional to 22,771.71, 34,153.71 and 6,128.04

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Solution

The fourth proportional to 22,771.71, 34,153.71 and 6,128.04 is: 9,191.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,771.71 : 34,153.71 = 6,128.04 : x
  2. Step 2: Convert to fraction form
    22,771.71/34,153.71 = 6,128.04/x
  3. Step 3: Cross multiply
    22,771.71x = 34,153.71 × 6,128.04
  4. Step 4: Simplify right side
    22,771.71x = 209,295,301.03
  5. Step 5: Solve for x
    x = 209,295,301.03/22,771.71
  6. Step 6: Final answer
    x = 9,191.02

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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.