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Finding the Fourth Proportional to 38,480.76, 53,104.32 and 22,576.68

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Solution

The fourth proportional to 38,480.76, 53,104.32 and 22,576.68 is: 31,156.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,480.76 : 53,104.32 = 22,576.68 : x
  2. Step 2: Convert to fraction form
    38,480.76/53,104.32 = 22,576.68/x
  3. Step 3: Cross multiply
    38,480.76x = 53,104.32 × 22,576.68
  4. Step 4: Simplify right side
    38,480.76x = 1,198,919,239.26
  5. Step 5: Solve for x
    x = 1,198,919,239.26/38,480.76
  6. Step 6: Final answer
    x = 31,156.33

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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.