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Finding the Fourth Proportional to 7,674.47, 11,511.71 and 3,060.71

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Solution

The fourth proportional to 7,674.47, 11,511.71 and 3,060.71 is: 4,591.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,674.47 : 11,511.71 = 3,060.71 : x
  2. Step 2: Convert to fraction form
    7,674.47/11,511.71 = 3,060.71/x
  3. Step 3: Cross multiply
    7,674.47x = 11,511.71 × 3,060.71
  4. Step 4: Simplify right side
    7,674.47x = 35,233,987.70
  5. Step 5: Solve for x
    x = 35,233,987.70/7,674.47
  6. Step 6: Final answer
    x = 4,591.07

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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.