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Finding the Fourth Proportional to 22,480.28, 31,024.46 and 13,050.28

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Solution

The fourth proportional to 22,480.28, 31,024.46 and 13,050.28 is: 18,010.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,480.28 : 31,024.46 = 13,050.28 : x
  2. Step 2: Convert to fraction form
    22,480.28/31,024.46 = 13,050.28/x
  3. Step 3: Cross multiply
    22,480.28x = 31,024.46 × 13,050.28
  4. Step 4: Simplify right side
    22,480.28x = 404,877,889.85
  5. Step 5: Solve for x
    x = 404,877,889.85/22,480.28
  6. Step 6: Final answer
    x = 18,010.36

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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.