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Finding the Fourth Proportional to 7,491.80, 11,237.70 and 4,375.33

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Solution

The fourth proportional to 7,491.80, 11,237.70 and 4,375.33 is: 6,563.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.80 : 11,237.70 = 4,375.33 : x
  2. Step 2: Convert to fraction form
    7,491.80/11,237.70 = 4,375.33/x
  3. Step 3: Cross multiply
    7,491.80x = 11,237.70 × 4,375.33
  4. Step 4: Simplify right side
    7,491.80x = 49,168,645.94
  5. Step 5: Solve for x
    x = 49,168,645.94/7,491.80
  6. Step 6: Final answer
    x = 6,563.00

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Similar ratio
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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.