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Finding the Fourth Proportional to 2,423.62, 3,344.97 and 1,429

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Solution

The fourth proportional to 2,423.62, 3,344.97 and 1,429 is: 1,972.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423.62 : 3,344.97 = 1,429 : x
  2. Step 2: Convert to fraction form
    2,423.62/3,344.97 = 1,429/x
  3. Step 3: Cross multiply
    2,423.62x = 3,344.97 × 1,429
  4. Step 4: Simplify right side
    2,423.62x = 4,779,962.13
  5. Step 5: Solve for x
    x = 4,779,962.13/2,423.62
  6. Step 6: Final answer
    x = 1,972.24

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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.