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Finding the Fourth Proportional to 2,046.56, 3,070 and 892.32

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Solution

The fourth proportional to 2,046.56, 3,070 and 892.32 is: 1,338.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,046.56 : 3,070 = 892.32 : x
  2. Step 2: Convert to fraction form
    2,046.56/3,070 = 892.32/x
  3. Step 3: Cross multiply
    2,046.56x = 3,070 × 892.32
  4. Step 4: Simplify right side
    2,046.56x = 2,739,422.40
  5. Step 5: Solve for x
    x = 2,739,422.40/2,046.56
  6. Step 6: Final answer
    x = 1,338.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.