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Finding the Fourth Proportional to 3,358.25, 4,634.25 and 1,866.16

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Solution

The fourth proportional to 3,358.25, 4,634.25 and 1,866.16 is: 2,575.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.25 : 4,634.25 = 1,866.16 : x
  2. Step 2: Convert to fraction form
    3,358.25/4,634.25 = 1,866.16/x
  3. Step 3: Cross multiply
    3,358.25x = 4,634.25 × 1,866.16
  4. Step 4: Simplify right side
    3,358.25x = 8,648,231.10
  5. Step 5: Solve for x
    x = 8,648,231.10/3,358.25
  6. Step 6: Final answer
    x = 2,575.22

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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.