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Finding the Fourth Proportional to 2,859.74, 4,288.92 and 1,104.16

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Solution

The fourth proportional to 2,859.74, 4,288.92 and 1,104.16 is: 1,655.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859.74 : 4,288.92 = 1,104.16 : x
  2. Step 2: Convert to fraction form
    2,859.74/4,288.92 = 1,104.16/x
  3. Step 3: Cross multiply
    2,859.74x = 4,288.92 × 1,104.16
  4. Step 4: Simplify right side
    2,859.74x = 4,735,653.91
  5. Step 5: Solve for x
    x = 4,735,653.91/2,859.74
  6. Step 6: Final answer
    x = 1,655.97

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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.