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Finding the Fourth Proportional to 4,979.16, 7,468.65 and 4,204.14

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Solution

The fourth proportional to 4,979.16, 7,468.65 and 4,204.14 is: 6,306.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.16 : 7,468.65 = 4,204.14 : x
  2. Step 2: Convert to fraction form
    4,979.16/7,468.65 = 4,204.14/x
  3. Step 3: Cross multiply
    4,979.16x = 7,468.65 × 4,204.14
  4. Step 4: Simplify right side
    4,979.16x = 31,399,250.21
  5. Step 5: Solve for x
    x = 31,399,250.21/4,979.16
  6. Step 6: Final answer
    x = 6,306.13

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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.