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Finding the Fourth Proportional to 70,924.87, 97,876.98 and 39,094.91

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Solution

The fourth proportional to 70,924.87, 97,876.98 and 39,094.91 is: 53,951.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,924.87 : 97,876.98 = 39,094.91 : x
  2. Step 2: Convert to fraction form
    70,924.87/97,876.98 = 39,094.91/x
  3. Step 3: Cross multiply
    70,924.87x = 97,876.98 × 39,094.91
  4. Step 4: Simplify right side
    70,924.87x = 3,826,491,724.17
  5. Step 5: Solve for x
    x = 3,826,491,724.17/70,924.87
  6. Step 6: Final answer
    x = 53,951.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.