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Finding the Fourth Proportional to 6,862.92, 10,294.40 and 1,668.76

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Solution

The fourth proportional to 6,862.92, 10,294.40 and 1,668.76 is: 2,503.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,862.92 : 10,294.40 = 1,668.76 : x
  2. Step 2: Convert to fraction form
    6,862.92/10,294.40 = 1,668.76/x
  3. Step 3: Cross multiply
    6,862.92x = 10,294.40 × 1,668.76
  4. Step 4: Simplify right side
    6,862.92x = 17,178,882.94
  5. Step 5: Solve for x
    x = 17,178,882.94/6,862.92
  6. Step 6: Final answer
    x = 2,503.14

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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.