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Finding the Fourth Proportional to 7,229.22, 10,842.02 and 3,529.50

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Solution

The fourth proportional to 7,229.22, 10,842.02 and 3,529.50 is: 5,293.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,229.22 : 10,842.02 = 3,529.50 : x
  2. Step 2: Convert to fraction form
    7,229.22/10,842.02 = 3,529.50/x
  3. Step 3: Cross multiply
    7,229.22x = 10,842.02 × 3,529.50
  4. Step 4: Simplify right side
    7,229.22x = 38,266,909.59
  5. Step 5: Solve for x
    x = 38,266,909.59/7,229.22
  6. Step 6: Final answer
    x = 5,293.37

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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.