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Finding the Fourth Proportional to 3,482.62, 4,805.92 and 1,889.18

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Solution

The fourth proportional to 3,482.62, 4,805.92 and 1,889.18 is: 2,607.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,482.62 : 4,805.92 = 1,889.18 : x
  2. Step 2: Convert to fraction form
    3,482.62/4,805.92 = 1,889.18/x
  3. Step 3: Cross multiply
    3,482.62x = 4,805.92 × 1,889.18
  4. Step 4: Simplify right side
    3,482.62x = 9,079,247.95
  5. Step 5: Solve for x
    x = 9,079,247.95/3,482.62
  6. Step 6: Final answer
    x = 2,607.02

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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.