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Finding the Fourth Proportional to 71,974.77, 107,962.15 and 22,054.67

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Solution

The fourth proportional to 71,974.77, 107,962.15 and 22,054.67 is: 33,082.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,974.77 : 107,962.15 = 22,054.67 : x
  2. Step 2: Convert to fraction form
    71,974.77/107,962.15 = 22,054.67/x
  3. Step 3: Cross multiply
    71,974.77x = 107,962.15 × 22,054.67
  4. Step 4: Simplify right side
    71,974.77x = 2,381,069,590.74
  5. Step 5: Solve for x
    x = 2,381,069,590.74/71,974.77
  6. Step 6: Final answer
    x = 33,082.00

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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.