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Finding the Fourth Proportional to 69,429.99, 104,074.86 and 27,339.62

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Solution

The fourth proportional to 69,429.99, 104,074.86 and 27,339.62 is: 40,981.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,429.99 : 104,074.86 = 27,339.62 : x
  2. Step 2: Convert to fraction form
    69,429.99/104,074.86 = 27,339.62/x
  3. Step 3: Cross multiply
    69,429.99x = 104,074.86 × 27,339.62
  4. Step 4: Simplify right side
    69,429.99x = 2,845,366,603.58
  5. Step 5: Solve for x
    x = 2,845,366,603.58/69,429.99
  6. Step 6: Final answer
    x = 40,981.81

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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.