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Finding the Fourth Proportional to 9,344.30, 12,881.73 and 7,351.39

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Solution

The fourth proportional to 9,344.30, 12,881.73 and 7,351.39 is: 10,134.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,344.30 : 12,881.73 = 7,351.39 : x
  2. Step 2: Convert to fraction form
    9,344.30/12,881.73 = 7,351.39/x
  3. Step 3: Cross multiply
    9,344.30x = 12,881.73 × 7,351.39
  4. Step 4: Simplify right side
    9,344.30x = 94,698,621.10
  5. Step 5: Solve for x
    x = 94,698,621.10/9,344.30
  6. Step 6: Final answer
    x = 10,134.38

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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.