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Finding the Fourth Proportional to 66,249.52, 91,426.76 and 37,960.67

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Solution

The fourth proportional to 66,249.52, 91,426.76 and 37,960.67 is: 52,387.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,249.52 : 91,426.76 = 37,960.67 : x
  2. Step 2: Convert to fraction form
    66,249.52/91,426.76 = 37,960.67/x
  3. Step 3: Cross multiply
    66,249.52x = 91,426.76 × 37,960.67
  4. Step 4: Simplify right side
    66,249.52x = 3,470,621,065.53
  5. Step 5: Solve for x
    x = 3,470,621,065.53/66,249.52
  6. Step 6: Final answer
    x = 52,387.11

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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.