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Finding the Fourth Proportional to 2,392.76, 3,301.66 and 1,344.76

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Solution

The fourth proportional to 2,392.76, 3,301.66 and 1,344.76 is: 1,855.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,392.76 : 3,301.66 = 1,344.76 : x
  2. Step 2: Convert to fraction form
    2,392.76/3,301.66 = 1,344.76/x
  3. Step 3: Cross multiply
    2,392.76x = 3,301.66 × 1,344.76
  4. Step 4: Simplify right side
    2,392.76x = 4,439,940.30
  5. Step 5: Solve for x
    x = 4,439,940.30/2,392.76
  6. Step 6: Final answer
    x = 1,855.57

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Half scale
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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.