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Finding the Fourth Proportional to 7,367.80, 11,057.10 and 4,901.80

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Solution

The fourth proportional to 7,367.80, 11,057.10 and 4,901.80 is: 7,356.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,367.80 : 11,057.10 = 4,901.80 : x
  2. Step 2: Convert to fraction form
    7,367.80/11,057.10 = 4,901.80/x
  3. Step 3: Cross multiply
    7,367.80x = 11,057.10 × 4,901.80
  4. Step 4: Simplify right side
    7,367.80x = 54,199,692.78
  5. Step 5: Solve for x
    x = 54,199,692.78/7,367.80
  6. Step 6: Final answer
    x = 7,356.29

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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.