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Finding the Fourth Proportional to 7,661.07, 11,491.61 and 2,467.71

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Solution

The fourth proportional to 7,661.07, 11,491.61 and 2,467.71 is: 3,701.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661.07 : 11,491.61 = 2,467.71 : x
  2. Step 2: Convert to fraction form
    7,661.07/11,491.61 = 2,467.71/x
  3. Step 3: Cross multiply
    7,661.07x = 11,491.61 × 2,467.71
  4. Step 4: Simplify right side
    7,661.07x = 28,357,948.57
  5. Step 5: Solve for x
    x = 28,357,948.57/7,661.07
  6. Step 6: Final answer
    x = 3,701.57

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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.