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Finding the Fourth Proportional to 2,392.82, 3,302.40 and 1,344.89

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Solution

The fourth proportional to 2,392.82, 3,302.40 and 1,344.89 is: 1,856.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,392.82 : 3,302.40 = 1,344.89 : x
  2. Step 2: Convert to fraction form
    2,392.82/3,302.40 = 1,344.89/x
  3. Step 3: Cross multiply
    2,392.82x = 3,302.40 × 1,344.89
  4. Step 4: Simplify right side
    2,392.82x = 4,441,364.74
  5. Step 5: Solve for x
    x = 4,441,364.74/2,392.82
  6. Step 6: Final answer
    x = 1,856.12

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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.