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Finding the Fourth Proportional to 7,368.85, 10,169.25 and 4,011.80

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Solution

The fourth proportional to 7,368.85, 10,169.25 and 4,011.80 is: 5,536.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,368.85 : 10,169.25 = 4,011.80 : x
  2. Step 2: Convert to fraction form
    7,368.85/10,169.25 = 4,011.80/x
  3. Step 3: Cross multiply
    7,368.85x = 10,169.25 × 4,011.80
  4. Step 4: Simplify right side
    7,368.85x = 40,796,997.15
  5. Step 5: Solve for x
    x = 40,796,997.15/7,368.85
  6. Step 6: Final answer
    x = 5,536.42

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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.