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Finding the Fourth Proportional to 9,134, 13,701.23 and 2,560.70

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Solution

The fourth proportional to 9,134, 13,701.23 and 2,560.70 is: 3,841.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,134 : 13,701.23 = 2,560.70 : x
  2. Step 2: Convert to fraction form
    9,134/13,701.23 = 2,560.70/x
  3. Step 3: Cross multiply
    9,134x = 13,701.23 × 2,560.70
  4. Step 4: Simplify right side
    9,134x = 35,084,739.66
  5. Step 5: Solve for x
    x = 35,084,739.66/9,134
  6. Step 6: Final answer
    x = 3,841.11

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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.