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Finding the Fourth Proportional to 62,679.50, 86,484.99 and 37,174.67

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Solution

The fourth proportional to 62,679.50, 86,484.99 and 37,174.67 is: 51,293.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,679.50 : 86,484.99 = 37,174.67 : x
  2. Step 2: Convert to fraction form
    62,679.50/86,484.99 = 37,174.67/x
  3. Step 3: Cross multiply
    62,679.50x = 86,484.99 × 37,174.67
  4. Step 4: Simplify right side
    62,679.50x = 3,215,051,133.19
  5. Step 5: Solve for x
    x = 3,215,051,133.19/62,679.50
  6. Step 6: Final answer
    x = 51,293.51

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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.