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Finding the Fourth Proportional to 70,012.79, 105,006.66 and 22,625.97

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Solution

The fourth proportional to 70,012.79, 105,006.66 and 22,625.97 is: 33,934.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,012.79 : 105,006.66 = 22,625.97 : x
  2. Step 2: Convert to fraction form
    70,012.79/105,006.66 = 22,625.97/x
  3. Step 3: Cross multiply
    70,012.79x = 105,006.66 × 22,625.97
  4. Step 4: Simplify right side
    70,012.79x = 2,375,877,538.96
  5. Step 5: Solve for x
    x = 2,375,877,538.96/70,012.79
  6. Step 6: Final answer
    x = 33,934.91

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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.