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Finding the Fourth Proportional to 2,459.84, 3,391.98 and 1,934.96

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Solution

The fourth proportional to 2,459.84, 3,391.98 and 1,934.96 is: 2,668.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,459.84 : 3,391.98 = 1,934.96 : x
  2. Step 2: Convert to fraction form
    2,459.84/3,391.98 = 1,934.96/x
  3. Step 3: Cross multiply
    2,459.84x = 3,391.98 × 1,934.96
  4. Step 4: Simplify right side
    2,459.84x = 6,563,345.62
  5. Step 5: Solve for x
    x = 6,563,345.62/2,459.84
  6. Step 6: Final answer
    x = 2,668.20

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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.