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Finding the Fourth Proportional to 69,085.75, 103,628.63 and 22,338.63

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Solution

The fourth proportional to 69,085.75, 103,628.63 and 22,338.63 is: 33,507.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,085.75 : 103,628.63 = 22,338.63 : x
  2. Step 2: Convert to fraction form
    69,085.75/103,628.63 = 22,338.63/x
  3. Step 3: Cross multiply
    69,085.75x = 103,628.63 × 22,338.63
  4. Step 4: Simplify right side
    69,085.75x = 2,314,921,622.98
  5. Step 5: Solve for x
    x = 2,314,921,622.98/69,085.75
  6. Step 6: Final answer
    x = 33,507.95

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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.