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Finding the Fourth Proportional to 8,301.81, 12,452.71 and 2,755.58

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Solution

The fourth proportional to 8,301.81, 12,452.71 and 2,755.58 is: 4,133.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,301.81 : 12,452.71 = 2,755.58 : x
  2. Step 2: Convert to fraction form
    8,301.81/12,452.71 = 2,755.58/x
  3. Step 3: Cross multiply
    8,301.81x = 12,452.71 × 2,755.58
  4. Step 4: Simplify right side
    8,301.81x = 34,314,362.58
  5. Step 5: Solve for x
    x = 34,314,362.58/8,301.81
  6. Step 6: Final answer
    x = 4,133.36

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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.