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Finding the Fourth Proportional to 6,472.91, 8,936.70 and 4,482.74

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Solution

The fourth proportional to 6,472.91, 8,936.70 and 4,482.74 is: 6,189.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,472.91 : 8,936.70 = 4,482.74 : x
  2. Step 2: Convert to fraction form
    6,472.91/8,936.70 = 4,482.74/x
  3. Step 3: Cross multiply
    6,472.91x = 8,936.70 × 4,482.74
  4. Step 4: Simplify right side
    6,472.91x = 40,060,902.56
  5. Step 5: Solve for x
    x = 40,060,902.56/6,472.91
  6. Step 6: Final answer
    x = 6,189.01

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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.