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Finding the Fourth Proportional to 5,903.99, 8,857.22 and 3,129.91

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Solution

The fourth proportional to 5,903.99, 8,857.22 and 3,129.91 is: 4,695.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,903.99 : 8,857.22 = 3,129.91 : x
  2. Step 2: Convert to fraction form
    5,903.99/8,857.22 = 3,129.91/x
  3. Step 3: Cross multiply
    5,903.99x = 8,857.22 × 3,129.91
  4. Step 4: Simplify right side
    5,903.99x = 27,722,263.66
  5. Step 5: Solve for x
    x = 27,722,263.66/5,903.99
  6. Step 6: Final answer
    x = 4,695.51

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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.