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Finding the Fourth Proportional to 38,524.52, 57,787.02 and 11,870.18

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Solution

The fourth proportional to 38,524.52, 57,787.02 and 11,870.18 is: 17,805.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,524.52 : 57,787.02 = 11,870.18 : x
  2. Step 2: Convert to fraction form
    38,524.52/57,787.02 = 11,870.18/x
  3. Step 3: Cross multiply
    38,524.52x = 57,787.02 × 11,870.18
  4. Step 4: Simplify right side
    38,524.52x = 685,942,329.06
  5. Step 5: Solve for x
    x = 685,942,329.06/38,524.52
  6. Step 6: Final answer
    x = 17,805.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.