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Finding the Fourth Proportional to 7,348.63, 11,019.57 and 3,649.57

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Solution

The fourth proportional to 7,348.63, 11,019.57 and 3,649.57 is: 5,472.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,348.63 : 11,019.57 = 3,649.57 : x
  2. Step 2: Convert to fraction form
    7,348.63/11,019.57 = 3,649.57/x
  3. Step 3: Cross multiply
    7,348.63x = 11,019.57 × 3,649.57
  4. Step 4: Simplify right side
    7,348.63x = 40,216,692.08
  5. Step 5: Solve for x
    x = 40,216,692.08/7,348.63
  6. Step 6: Final answer
    x = 5,472.68

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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.