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Finding the Fourth Proportional to 8,554.81, 12,832.22 and 3,292.30

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Solution

The fourth proportional to 8,554.81, 12,832.22 and 3,292.30 is: 4,938.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,554.81 : 12,832.22 = 3,292.30 : x
  2. Step 2: Convert to fraction form
    8,554.81/12,832.22 = 3,292.30/x
  3. Step 3: Cross multiply
    8,554.81x = 12,832.22 × 3,292.30
  4. Step 4: Simplify right side
    8,554.81x = 42,247,517.91
  5. Step 5: Solve for x
    x = 42,247,517.91/8,554.81
  6. Step 6: Final answer
    x = 4,938.45

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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.