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Finding the Fourth Proportional to 38,356.76, 52,933.02 and 22,446.20

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Solution

The fourth proportional to 38,356.76, 52,933.02 and 22,446.20 is: 30,976.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,356.76 : 52,933.02 = 22,446.20 : x
  2. Step 2: Convert to fraction form
    38,356.76/52,933.02 = 22,446.20/x
  3. Step 3: Cross multiply
    38,356.76x = 52,933.02 × 22,446.20
  4. Step 4: Simplify right side
    38,356.76x = 1,188,145,153.52
  5. Step 5: Solve for x
    x = 1,188,145,153.52/38,356.76
  6. Step 6: Final answer
    x = 30,976.16

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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.