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Finding the Fourth Proportional to 3,888.62, 5,364.24 and 2,544.98

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Solution

The fourth proportional to 3,888.62, 5,364.24 and 2,544.98 is: 3,510.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888.62 : 5,364.24 = 2,544.98 : x
  2. Step 2: Convert to fraction form
    3,888.62/5,364.24 = 2,544.98/x
  3. Step 3: Cross multiply
    3,888.62x = 5,364.24 × 2,544.98
  4. Step 4: Simplify right side
    3,888.62x = 13,651,883.52
  5. Step 5: Solve for x
    x = 13,651,883.52/3,888.62
  6. Step 6: Final answer
    x = 3,510.73

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1.5x scale

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.