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Finding the Fourth Proportional to 7,006.34, 9,668.76 and 3,862.46

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Solution

The fourth proportional to 7,006.34, 9,668.76 and 3,862.46 is: 5,330.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,006.34 : 9,668.76 = 3,862.46 : x
  2. Step 2: Convert to fraction form
    7,006.34/9,668.76 = 3,862.46/x
  3. Step 3: Cross multiply
    7,006.34x = 9,668.76 × 3,862.46
  4. Step 4: Simplify right side
    7,006.34x = 37,345,198.75
  5. Step 5: Solve for x
    x = 37,345,198.75/7,006.34
  6. Step 6: Final answer
    x = 5,330.20

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1.5x scale

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.