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Finding the Fourth Proportional to 65,765.65, 90,757.02 and 35,550.94

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Solution

The fourth proportional to 65,765.65, 90,757.02 and 35,550.94 is: 49,060.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,765.65 : 90,757.02 = 35,550.94 : x
  2. Step 2: Convert to fraction form
    65,765.65/90,757.02 = 35,550.94/x
  3. Step 3: Cross multiply
    65,765.65x = 90,757.02 × 35,550.94
  4. Step 4: Simplify right side
    65,765.65x = 3,226,497,372.60
  5. Step 5: Solve for x
    x = 3,226,497,372.60/65,765.65
  6. Step 6: Final answer
    x = 49,060.53

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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.