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Finding the Fourth Proportional to 69,706.15, 96,202.17 and 39,082.15

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Solution

The fourth proportional to 69,706.15, 96,202.17 and 39,082.15 is: 53,937.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,706.15 : 96,202.17 = 39,082.15 : x
  2. Step 2: Convert to fraction form
    69,706.15/96,202.17 = 39,082.15/x
  3. Step 3: Cross multiply
    69,706.15x = 96,202.17 × 39,082.15
  4. Step 4: Simplify right side
    69,706.15x = 3,759,787,638.27
  5. Step 5: Solve for x
    x = 3,759,787,638.27/69,706.15
  6. Step 6: Final answer
    x = 53,937.67

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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.