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Finding the Fourth Proportional to 69,455.67, 104,251.95 and 49,487.34

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Solution

The fourth proportional to 69,455.67, 104,251.95 and 49,487.34 is: 74,279.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,455.67 : 104,251.95 = 49,487.34 : x
  2. Step 2: Convert to fraction form
    69,455.67/104,251.95 = 49,487.34/x
  3. Step 3: Cross multiply
    69,455.67x = 104,251.95 × 49,487.34
  4. Step 4: Simplify right side
    69,455.67x = 5,159,151,695.31
  5. Step 5: Solve for x
    x = 5,159,151,695.31/69,455.67
  6. Step 6: Final answer
    x = 74,279.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.