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Finding the Fourth Proportional to 9,171.03, 12,659.04 and 5,394.03

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Solution

The fourth proportional to 9,171.03, 12,659.04 and 5,394.03 is: 7,445.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,171.03 : 12,659.04 = 5,394.03 : x
  2. Step 2: Convert to fraction form
    9,171.03/12,659.04 = 5,394.03/x
  3. Step 3: Cross multiply
    9,171.03x = 12,659.04 × 5,394.03
  4. Step 4: Simplify right side
    9,171.03x = 68,283,214.56
  5. Step 5: Solve for x
    x = 68,283,214.56/9,171.03
  6. Step 6: Final answer
    x = 7,445.53

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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.