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Finding the Fourth Proportional to 22,693.69, 34,029.73 and 7,900.80

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Solution

The fourth proportional to 22,693.69, 34,029.73 and 7,900.80 is: 11,847.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,693.69 : 34,029.73 = 7,900.80 : x
  2. Step 2: Convert to fraction form
    22,693.69/34,029.73 = 7,900.80/x
  3. Step 3: Cross multiply
    22,693.69x = 34,029.73 × 7,900.80
  4. Step 4: Simplify right side
    22,693.69x = 268,862,090.78
  5. Step 5: Solve for x
    x = 268,862,090.78/22,693.69
  6. Step 6: Final answer
    x = 11,847.44

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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.