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Finding the Fourth Proportional to 4,988.65, 6,884.13 and 2,944.54

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Solution

The fourth proportional to 4,988.65, 6,884.13 and 2,944.54 is: 4,063.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.65 : 6,884.13 = 2,944.54 : x
  2. Step 2: Convert to fraction form
    4,988.65/6,884.13 = 2,944.54/x
  3. Step 3: Cross multiply
    4,988.65x = 6,884.13 × 2,944.54
  4. Step 4: Simplify right side
    4,988.65x = 20,270,596.15
  5. Step 5: Solve for x
    x = 20,270,596.15/4,988.65
  6. Step 6: Final answer
    x = 4,063.34

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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.