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Finding the Fourth Proportional to 4,502.50, 6,757.24 and 3,125.50

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Solution

The fourth proportional to 4,502.50, 6,757.24 and 3,125.50 is: 4,690.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,502.50 : 6,757.24 = 3,125.50 : x
  2. Step 2: Convert to fraction form
    4,502.50/6,757.24 = 3,125.50/x
  3. Step 3: Cross multiply
    4,502.50x = 6,757.24 × 3,125.50
  4. Step 4: Simplify right side
    4,502.50x = 21,119,753.62
  5. Step 5: Solve for x
    x = 21,119,753.62/4,502.50
  6. Step 6: Final answer
    x = 4,690.67

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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.