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Finding the Fourth Proportional to 4,891.62, 6,750.36 and 2,903.16

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Solution

The fourth proportional to 4,891.62, 6,750.36 and 2,903.16 is: 4,006.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.62 : 6,750.36 = 2,903.16 : x
  2. Step 2: Convert to fraction form
    4,891.62/6,750.36 = 2,903.16/x
  3. Step 3: Cross multiply
    4,891.62x = 6,750.36 × 2,903.16
  4. Step 4: Simplify right side
    4,891.62x = 19,597,375.14
  5. Step 5: Solve for x
    x = 19,597,375.14/4,891.62
  6. Step 6: Final answer
    x = 4,006.32

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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.