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Finding the Fourth Proportional to 2,294.91, 3,442.41 and 651.47

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Solution

The fourth proportional to 2,294.91, 3,442.41 and 651.47 is: 977.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,294.91 : 3,442.41 = 651.47 : x
  2. Step 2: Convert to fraction form
    2,294.91/3,442.41 = 651.47/x
  3. Step 3: Cross multiply
    2,294.91x = 3,442.41 × 651.47
  4. Step 4: Simplify right side
    2,294.91x = 2,242,609.63
  5. Step 5: Solve for x
    x = 2,242,609.63/2,294.91
  6. Step 6: Final answer
    x = 977.21

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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.