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Finding the Fourth Proportional to 3,985.33, 6,007.84 and 3,717.72

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Solution

The fourth proportional to 3,985.33, 6,007.84 and 3,717.72 is: 5,604.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985.33 : 6,007.84 = 3,717.72 : x
  2. Step 2: Convert to fraction form
    3,985.33/6,007.84 = 3,717.72/x
  3. Step 3: Cross multiply
    3,985.33x = 6,007.84 × 3,717.72
  4. Step 4: Simplify right side
    3,985.33x = 22,335,482.37
  5. Step 5: Solve for x
    x = 22,335,482.37/3,985.33
  6. Step 6: Final answer
    x = 5,604.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.