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Finding the Fourth Proportional to 65,995.75, 91,074.54 and 37,717.84

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Solution

The fourth proportional to 65,995.75, 91,074.54 and 37,717.84 is: 52,050.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,995.75 : 91,074.54 = 37,717.84 : x
  2. Step 2: Convert to fraction form
    65,995.75/91,074.54 = 37,717.84/x
  3. Step 3: Cross multiply
    65,995.75x = 91,074.54 × 37,717.84
  4. Step 4: Simplify right side
    65,995.75x = 3,435,134,927.79
  5. Step 5: Solve for x
    x = 3,435,134,927.79/65,995.75
  6. Step 6: Final answer
    x = 52,050.85

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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.