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Finding the Fourth Proportional to 5,669.08, 8,509.20 and 3,722.68

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Solution

The fourth proportional to 5,669.08, 8,509.20 and 3,722.68 is: 5,587.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,669.08 : 8,509.20 = 3,722.68 : x
  2. Step 2: Convert to fraction form
    5,669.08/8,509.20 = 3,722.68/x
  3. Step 3: Cross multiply
    5,669.08x = 8,509.20 × 3,722.68
  4. Step 4: Simplify right side
    5,669.08x = 31,677,028.66
  5. Step 5: Solve for x
    x = 31,677,028.66/5,669.08
  6. Step 6: Final answer
    x = 5,587.68

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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.