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Finding the Fourth Proportional to 4,474.42, 6,709.91 and 1,471.76

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Solution

The fourth proportional to 4,474.42, 6,709.91 and 1,471.76 is: 2,207.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,474.42 : 6,709.91 = 1,471.76 : x
  2. Step 2: Convert to fraction form
    4,474.42/6,709.91 = 1,471.76/x
  3. Step 3: Cross multiply
    4,474.42x = 6,709.91 × 1,471.76
  4. Step 4: Simplify right side
    4,474.42x = 9,875,347.27
  5. Step 5: Solve for x
    x = 9,875,347.27/4,474.42
  6. Step 6: Final answer
    x = 2,207.07

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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.