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Finding the Fourth Proportional to 2,866.32, 4,297.86 and 1,134

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Solution

The fourth proportional to 2,866.32, 4,297.86 and 1,134 is: 1,700.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,866.32 : 4,297.86 = 1,134 : x
  2. Step 2: Convert to fraction form
    2,866.32/4,297.86 = 1,134/x
  3. Step 3: Cross multiply
    2,866.32x = 4,297.86 × 1,134
  4. Step 4: Simplify right side
    2,866.32x = 4,873,773.24
  5. Step 5: Solve for x
    x = 4,873,773.24/2,866.32
  6. Step 6: Final answer
    x = 1,700.36

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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.