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Finding the Fourth Proportional to 4,472.66, 6,710.12 and 3,158.99

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Solution

The fourth proportional to 4,472.66, 6,710.12 and 3,158.99 is: 4,739.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,472.66 : 6,710.12 = 3,158.99 : x
  2. Step 2: Convert to fraction form
    4,472.66/6,710.12 = 3,158.99/x
  3. Step 3: Cross multiply
    4,472.66x = 6,710.12 × 3,158.99
  4. Step 4: Simplify right side
    4,472.66x = 21,197,226.65
  5. Step 5: Solve for x
    x = 21,197,226.65/4,472.66
  6. Step 6: Final answer
    x = 4,739.29

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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.