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Finding the Fourth Proportional to 2,993.13, 4,489.71 and 1,045.50

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Solution

The fourth proportional to 2,993.13, 4,489.71 and 1,045.50 is: 1,568.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.13 : 4,489.71 = 1,045.50 : x
  2. Step 2: Convert to fraction form
    2,993.13/4,489.71 = 1,045.50/x
  3. Step 3: Cross multiply
    2,993.13x = 4,489.71 × 1,045.50
  4. Step 4: Simplify right side
    2,993.13x = 4,693,991.81
  5. Step 5: Solve for x
    x = 4,693,991.81/2,993.13
  6. Step 6: Final answer
    x = 1,568.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.