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Finding the Fourth Proportional to 65,576.29, 90,494.25 and 36,893.77

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Solution

The fourth proportional to 65,576.29, 90,494.25 and 36,893.77 is: 50,912.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,576.29 : 90,494.25 = 36,893.77 : x
  2. Step 2: Convert to fraction form
    65,576.29/90,494.25 = 36,893.77/x
  3. Step 3: Cross multiply
    65,576.29x = 90,494.25 × 36,893.77
  4. Step 4: Simplify right side
    65,576.29x = 3,338,674,045.82
  5. Step 5: Solve for x
    x = 3,338,674,045.82/65,576.29
  6. Step 6: Final answer
    x = 50,912.82

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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.