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Finding the Fourth Proportional to 38,356.62, 52,939.62 and 22,442.58

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Solution

The fourth proportional to 38,356.62, 52,939.62 and 22,442.58 is: 30,975.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,356.62 : 52,939.62 = 22,442.58 : x
  2. Step 2: Convert to fraction form
    38,356.62/52,939.62 = 22,442.58/x
  3. Step 3: Cross multiply
    38,356.62x = 52,939.62 × 22,442.58
  4. Step 4: Simplify right side
    38,356.62x = 1,188,101,657.02
  5. Step 5: Solve for x
    x = 1,188,101,657.02/38,356.62
  6. Step 6: Final answer
    x = 30,975.14

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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.