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Finding the Fourth Proportional to 38,351.78, 52,929.03 and 22,435.22

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Solution

The fourth proportional to 38,351.78, 52,929.03 and 22,435.22 is: 30,962.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,351.78 : 52,929.03 = 22,435.22 : x
  2. Step 2: Convert to fraction form
    38,351.78/52,929.03 = 22,435.22/x
  3. Step 3: Cross multiply
    38,351.78x = 52,929.03 × 22,435.22
  4. Step 4: Simplify right side
    38,351.78x = 1,187,474,432.44
  5. Step 5: Solve for x
    x = 1,187,474,432.44/38,351.78
  6. Step 6: Final answer
    x = 30,962.69

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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.