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Finding the Fourth Proportional to 2,396.88, 3,307.77 and 1,348.92

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Solution

The fourth proportional to 2,396.88, 3,307.77 and 1,348.92 is: 1,861.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,396.88 : 3,307.77 = 1,348.92 : x
  2. Step 2: Convert to fraction form
    2,396.88/3,307.77 = 1,348.92/x
  3. Step 3: Cross multiply
    2,396.88x = 3,307.77 × 1,348.92
  4. Step 4: Simplify right side
    2,396.88x = 4,461,917.11
  5. Step 5: Solve for x
    x = 4,461,917.11/2,396.88
  6. Step 6: Final answer
    x = 1,861.55

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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.