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Finding the Fourth Proportional to 22,762.03, 34,149.12 and 7,179.66

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Solution

The fourth proportional to 22,762.03, 34,149.12 and 7,179.66 is: 10,771.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,762.03 : 34,149.12 = 7,179.66 : x
  2. Step 2: Convert to fraction form
    22,762.03/34,149.12 = 7,179.66/x
  3. Step 3: Cross multiply
    22,762.03x = 34,149.12 × 7,179.66
  4. Step 4: Simplify right side
    22,762.03x = 245,179,070.90
  5. Step 5: Solve for x
    x = 245,179,070.90/22,762.03
  6. Step 6: Final answer
    x = 10,771.41

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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.