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Finding the Fourth Proportional to 5,104.99, 7,044.84 and 2,866.86

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Solution

The fourth proportional to 5,104.99, 7,044.84 and 2,866.86 is: 3,956.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.99 : 7,044.84 = 2,866.86 : x
  2. Step 2: Convert to fraction form
    5,104.99/7,044.84 = 2,866.86/x
  3. Step 3: Cross multiply
    5,104.99x = 7,044.84 × 2,866.86
  4. Step 4: Simplify right side
    5,104.99x = 20,196,570.00
  5. Step 5: Solve for x
    x = 20,196,570.00/5,104.99
  6. Step 6: Final answer
    x = 3,956.24

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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.