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Finding the Fourth Proportional to 73,616.67, 101,591.69 and 40,082.67

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Solution

The fourth proportional to 73,616.67, 101,591.69 and 40,082.67 is: 55,314.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,616.67 : 101,591.69 = 40,082.67 : x
  2. Step 2: Convert to fraction form
    73,616.67/101,591.69 = 40,082.67/x
  3. Step 3: Cross multiply
    73,616.67x = 101,591.69 × 40,082.67
  4. Step 4: Simplify right side
    73,616.67x = 4,072,065,984.60
  5. Step 5: Solve for x
    x = 4,072,065,984.60/73,616.67
  6. Step 6: Final answer
    x = 55,314.46

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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.