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Finding the Fourth Proportional to 2,894.95, 3,995.04 and 1,568.65

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Solution

The fourth proportional to 2,894.95, 3,995.04 and 1,568.65 is: 2,164.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894.95 : 3,995.04 = 1,568.65 : x
  2. Step 2: Convert to fraction form
    2,894.95/3,995.04 = 1,568.65/x
  3. Step 3: Cross multiply
    2,894.95x = 3,995.04 × 1,568.65
  4. Step 4: Simplify right side
    2,894.95x = 6,266,819.50
  5. Step 5: Solve for x
    x = 6,266,819.50/2,894.95
  6. Step 6: Final answer
    x = 2,164.74

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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.