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Finding the Fourth Proportional to 21,589.56, 32,364.06 and 7,540.92

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Solution

The fourth proportional to 21,589.56, 32,364.06 and 7,540.92 is: 11,304.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,589.56 : 32,364.06 = 7,540.92 : x
  2. Step 2: Convert to fraction form
    21,589.56/32,364.06 = 7,540.92/x
  3. Step 3: Cross multiply
    21,589.56x = 32,364.06 × 7,540.92
  4. Step 4: Simplify right side
    21,589.56x = 244,054,787.34
  5. Step 5: Solve for x
    x = 244,054,787.34/21,589.56
  6. Step 6: Final answer
    x = 11,304.30

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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.