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Finding the Fourth Proportional to 2,392.91, 3,302.00 and 1,330.63

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Solution

The fourth proportional to 2,392.91, 3,302.00 and 1,330.63 is: 1,836.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,392.91 : 3,302.00 = 1,330.63 : x
  2. Step 2: Convert to fraction form
    2,392.91/3,302.00 = 1,330.63/x
  3. Step 3: Cross multiply
    2,392.91x = 3,302.00 × 1,330.63
  4. Step 4: Simplify right side
    2,392.91x = 4,393,730.34
  5. Step 5: Solve for x
    x = 4,393,730.34/2,392.91
  6. Step 6: Final answer
    x = 1,836.15

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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.