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Finding the Fourth Proportional to 62,189.63, 85,824 and 35,336.69

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Solution

The fourth proportional to 62,189.63, 85,824 and 35,336.69 is: 48,765.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,189.63 : 85,824 = 35,336.69 : x
  2. Step 2: Convert to fraction form
    62,189.63/85,824 = 35,336.69/x
  3. Step 3: Cross multiply
    62,189.63x = 85,824 × 35,336.69
  4. Step 4: Simplify right side
    62,189.63x = 3,032,736,082.56
  5. Step 5: Solve for x
    x = 3,032,736,082.56/62,189.63
  6. Step 6: Final answer
    x = 48,765.95

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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.