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Finding the Fourth Proportional to 2,396.92, 3,307.36 and 1,348.76

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Solution

The fourth proportional to 2,396.92, 3,307.36 and 1,348.76 is: 1,861.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,396.92 : 3,307.36 = 1,348.76 : x
  2. Step 2: Convert to fraction form
    2,396.92/3,307.36 = 1,348.76/x
  3. Step 3: Cross multiply
    2,396.92x = 3,307.36 × 1,348.76
  4. Step 4: Simplify right side
    2,396.92x = 4,460,834.87
  5. Step 5: Solve for x
    x = 4,460,834.87/2,396.92
  6. Step 6: Final answer
    x = 1,861.07

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Double scale
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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.