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Finding the Fourth Proportional to 65,226.67, 90,193.99 and 51,774.57

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Solution

The fourth proportional to 65,226.67, 90,193.99 and 51,774.57 is: 71,592.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,226.67 : 90,193.99 = 51,774.57 : x
  2. Step 2: Convert to fraction form
    65,226.67/90,193.99 = 51,774.57/x
  3. Step 3: Cross multiply
    65,226.67x = 90,193.99 × 51,774.57
  4. Step 4: Simplify right side
    65,226.67x = 4,669,755,048.83
  5. Step 5: Solve for x
    x = 4,669,755,048.83/65,226.67
  6. Step 6: Final answer
    x = 71,592.73

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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.