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Finding the Fourth Proportional to 7,006.32, 9,668.91 and 3,862.71

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Solution

The fourth proportional to 7,006.32, 9,668.91 and 3,862.71 is: 5,330.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,006.32 : 9,668.91 = 3,862.71 : x
  2. Step 2: Convert to fraction form
    7,006.32/9,668.91 = 3,862.71/x
  3. Step 3: Cross multiply
    7,006.32x = 9,668.91 × 3,862.71
  4. Step 4: Simplify right side
    7,006.32x = 37,348,195.35
  5. Step 5: Solve for x
    x = 37,348,195.35/7,006.32
  6. Step 6: Final answer
    x = 5,330.64

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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.