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Finding the Fourth Proportional to 69,093.75, 103,640.63 and 22,346.63

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Solution

The fourth proportional to 69,093.75, 103,640.63 and 22,346.63 is: 33,519.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,093.75 : 103,640.63 = 22,346.63 : x
  2. Step 2: Convert to fraction form
    69,093.75/103,640.63 = 22,346.63/x
  3. Step 3: Cross multiply
    69,093.75x = 103,640.63 × 22,346.63
  4. Step 4: Simplify right side
    69,093.75x = 2,316,018,811.58
  5. Step 5: Solve for x
    x = 2,316,018,811.58/69,093.75
  6. Step 6: Final answer
    x = 33,519.95

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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.