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Finding the Fourth Proportional to 3,525.30, 4,855.05 and 3,448.77

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Solution

The fourth proportional to 3,525.30, 4,855.05 and 3,448.77 is: 4,749.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525.30 : 4,855.05 = 3,448.77 : x
  2. Step 2: Convert to fraction form
    3,525.30/4,855.05 = 3,448.77/x
  3. Step 3: Cross multiply
    3,525.30x = 4,855.05 × 3,448.77
  4. Step 4: Simplify right side
    3,525.30x = 16,743,950.79
  5. Step 5: Solve for x
    x = 16,743,950.79/3,525.30
  6. Step 6: Final answer
    x = 4,749.65

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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.