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Finding the Fourth Proportional to 71,023.84, 106,508.07 and 26,626.39

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Solution

The fourth proportional to 71,023.84, 106,508.07 and 26,626.39 is: 39,929.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,023.84 : 106,508.07 = 26,626.39 : x
  2. Step 2: Convert to fraction form
    71,023.84/106,508.07 = 26,626.39/x
  3. Step 3: Cross multiply
    71,023.84x = 106,508.07 × 26,626.39
  4. Step 4: Simplify right side
    71,023.84x = 2,835,925,409.97
  5. Step 5: Solve for x
    x = 2,835,925,409.97/71,023.84
  6. Step 6: Final answer
    x = 39,929.20

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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.