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Finding the Fourth Proportional to 71,861.04, 107,746.38 and 21,924.54

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Solution

The fourth proportional to 71,861.04, 107,746.38 and 21,924.54 is: 32,873.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,861.04 : 107,746.38 = 21,924.54 : x
  2. Step 2: Convert to fraction form
    71,861.04/107,746.38 = 21,924.54/x
  3. Step 3: Cross multiply
    71,861.04x = 107,746.38 × 21,924.54
  4. Step 4: Simplify right side
    71,861.04x = 2,362,289,818.17
  5. Step 5: Solve for x
    x = 2,362,289,818.17/71,861.04
  6. Step 6: Final answer
    x = 32,873.03

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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.