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Finding the Fourth Proportional to 4,381.88, 6,572.82 and 2,923.88

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Solution

The fourth proportional to 4,381.88, 6,572.82 and 2,923.88 is: 4,385.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,381.88 : 6,572.82 = 2,923.88 : x
  2. Step 2: Convert to fraction form
    4,381.88/6,572.82 = 2,923.88/x
  3. Step 3: Cross multiply
    4,381.88x = 6,572.82 × 2,923.88
  4. Step 4: Simplify right side
    4,381.88x = 19,218,136.94
  5. Step 5: Solve for x
    x = 19,218,136.94/4,381.88
  6. Step 6: Final answer
    x = 4,385.82

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1.5x scale

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.