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Finding the Fourth Proportional to 4,379, 6,043.02 and 2,984.18

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Solution

The fourth proportional to 4,379, 6,043.02 and 2,984.18 is: 4,118.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,379 : 6,043.02 = 2,984.18 : x
  2. Step 2: Convert to fraction form
    4,379/6,043.02 = 2,984.18/x
  3. Step 3: Cross multiply
    4,379x = 6,043.02 × 2,984.18
  4. Step 4: Simplify right side
    4,379x = 18,033,459.42
  5. Step 5: Solve for x
    x = 18,033,459.42/4,379
  6. Step 6: Final answer
    x = 4,118.17

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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.