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Finding the Fourth Proportional to 69,332.78, 104,014.73 and 21,950.70

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Solution

The fourth proportional to 69,332.78, 104,014.73 and 21,950.70 is: 32,930.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,332.78 : 104,014.73 = 21,950.70 : x
  2. Step 2: Convert to fraction form
    69,332.78/104,014.73 = 21,950.70/x
  3. Step 3: Cross multiply
    69,332.78x = 104,014.73 × 21,950.70
  4. Step 4: Simplify right side
    69,332.78x = 2,283,195,798.63
  5. Step 5: Solve for x
    x = 2,283,195,798.63/69,332.78
  6. Step 6: Final answer
    x = 32,930.97

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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.