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Finding the Fourth Proportional to 3,043.44, 4,200.39 and 1,865.16

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Solution

The fourth proportional to 3,043.44, 4,200.39 and 1,865.16 is: 2,574.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,043.44 : 4,200.39 = 1,865.16 : x
  2. Step 2: Convert to fraction form
    3,043.44/4,200.39 = 1,865.16/x
  3. Step 3: Cross multiply
    3,043.44x = 4,200.39 × 1,865.16
  4. Step 4: Simplify right side
    3,043.44x = 7,834,399.41
  5. Step 5: Solve for x
    x = 7,834,399.41/3,043.44
  6. Step 6: Final answer
    x = 2,574.19

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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.