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Finding the Fourth Proportional to 69,177.42, 103,665.69 and 37,560.69

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Solution

The fourth proportional to 69,177.42, 103,665.69 and 37,560.69 is: 56,286.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,177.42 : 103,665.69 = 37,560.69 : x
  2. Step 2: Convert to fraction form
    69,177.42/103,665.69 = 37,560.69/x
  3. Step 3: Cross multiply
    69,177.42x = 103,665.69 × 37,560.69
  4. Step 4: Simplify right side
    69,177.42x = 3,893,754,845.73
  5. Step 5: Solve for x
    x = 3,893,754,845.73/69,177.42
  6. Step 6: Final answer
    x = 56,286.50

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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.