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Finding the Fourth Proportional to 9,233.70, 12,747.87 and 7,342.62

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Solution

The fourth proportional to 9,233.70, 12,747.87 and 7,342.62 is: 10,137.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,233.70 : 12,747.87 = 7,342.62 : x
  2. Step 2: Convert to fraction form
    9,233.70/12,747.87 = 7,342.62/x
  3. Step 3: Cross multiply
    9,233.70x = 12,747.87 × 7,342.62
  4. Step 4: Simplify right side
    9,233.70x = 93,602,765.22
  5. Step 5: Solve for x
    x = 93,602,765.22/9,233.70
  6. Step 6: Final answer
    x = 10,137.08

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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.