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Finding the Fourth Proportional to 69,063.34, 103,592.58 and 22,315

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Solution

The fourth proportional to 69,063.34, 103,592.58 and 22,315 is: 33,471.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,063.34 : 103,592.58 = 22,315 : x
  2. Step 2: Convert to fraction form
    69,063.34/103,592.58 = 22,315/x
  3. Step 3: Cross multiply
    69,063.34x = 103,592.58 × 22,315
  4. Step 4: Simplify right side
    69,063.34x = 2,311,668,422.70
  5. Step 5: Solve for x
    x = 2,311,668,422.70/69,063.34
  6. Step 6: Final answer
    x = 33,471.71

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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.