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Finding the Fourth Proportional to 2,991.95, 4,134.59 and 2,244.62

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Solution

The fourth proportional to 2,991.95, 4,134.59 and 2,244.62 is: 3,101.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991.95 : 4,134.59 = 2,244.62 : x
  2. Step 2: Convert to fraction form
    2,991.95/4,134.59 = 2,244.62/x
  3. Step 3: Cross multiply
    2,991.95x = 4,134.59 × 2,244.62
  4. Step 4: Simplify right side
    2,991.95x = 9,280,551.51
  5. Step 5: Solve for x
    x = 9,280,551.51/2,991.95
  6. Step 6: Final answer
    x = 3,101.85

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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.