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Finding the Fourth Proportional to 7,234.70, 10,856.12 and 3,339.10

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Solution

The fourth proportional to 7,234.70, 10,856.12 and 3,339.10 is: 5,010.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,234.70 : 10,856.12 = 3,339.10 : x
  2. Step 2: Convert to fraction form
    7,234.70/10,856.12 = 3,339.10/x
  3. Step 3: Cross multiply
    7,234.70x = 10,856.12 × 3,339.10
  4. Step 4: Simplify right side
    7,234.70x = 36,249,667.17
  5. Step 5: Solve for x
    x = 36,249,667.17/7,234.70
  6. Step 6: Final answer
    x = 5,010.53

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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.