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Finding the Fourth Proportional to 65,029.08, 89,737 and 36,738.84

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Solution

The fourth proportional to 65,029.08, 89,737 and 36,738.84 is: 50,697.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,029.08 : 89,737 = 36,738.84 : x
  2. Step 2: Convert to fraction form
    65,029.08/89,737 = 36,738.84/x
  3. Step 3: Cross multiply
    65,029.08x = 89,737 × 36,738.84
  4. Step 4: Simplify right side
    65,029.08x = 3,296,833,285.08
  5. Step 5: Solve for x
    x = 3,296,833,285.08/65,029.08
  6. Step 6: Final answer
    x = 50,697.83

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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.