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Finding the Fourth Proportional to 66,474.99, 91,737.21 and 36,260.82

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Solution

The fourth proportional to 66,474.99, 91,737.21 and 36,260.82 is: 50,040.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,474.99 : 91,737.21 = 36,260.82 : x
  2. Step 2: Convert to fraction form
    66,474.99/91,737.21 = 36,260.82/x
  3. Step 3: Cross multiply
    66,474.99x = 91,737.21 × 36,260.82
  4. Step 4: Simplify right side
    66,474.99x = 3,326,466,459.11
  5. Step 5: Solve for x
    x = 3,326,466,459.11/66,474.99
  6. Step 6: Final answer
    x = 50,040.87

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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.