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Finding the Fourth Proportional to 7,339.46, 11,011.05 and 2,074.46

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Solution

The fourth proportional to 7,339.46, 11,011.05 and 2,074.46 is: 3,112.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.46 : 11,011.05 = 2,074.46 : x
  2. Step 2: Convert to fraction form
    7,339.46/11,011.05 = 2,074.46/x
  3. Step 3: Cross multiply
    7,339.46x = 11,011.05 × 2,074.46
  4. Step 4: Simplify right side
    7,339.46x = 22,841,982.78
  5. Step 5: Solve for x
    x = 22,841,982.78/7,339.46
  6. Step 6: Final answer
    x = 3,112.22

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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.