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Finding the Fourth Proportional to 3,043.63, 4,200.23 and 1,865.48

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Solution

The fourth proportional to 3,043.63, 4,200.23 and 1,865.48 is: 2,574.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,043.63 : 4,200.23 = 1,865.48 : x
  2. Step 2: Convert to fraction form
    3,043.63/4,200.23 = 1,865.48/x
  3. Step 3: Cross multiply
    3,043.63x = 4,200.23 × 1,865.48
  4. Step 4: Simplify right side
    3,043.63x = 7,835,435.73
  5. Step 5: Solve for x
    x = 7,835,435.73/3,043.63
  6. Step 6: Final answer
    x = 2,574.38

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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.