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Finding the Fourth Proportional to 71,782.35, 107,673.57 and 34,333.62

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Solution

The fourth proportional to 71,782.35, 107,673.57 and 34,333.62 is: 51,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,782.35 : 107,673.57 = 34,333.62 : x
  2. Step 2: Convert to fraction form
    71,782.35/107,673.57 = 34,333.62/x
  3. Step 3: Cross multiply
    71,782.35x = 107,673.57 × 34,333.62
  4. Step 4: Simplify right side
    71,782.35x = 3,696,823,436.42
  5. Step 5: Solve for x
    x = 3,696,823,436.42/71,782.35
  6. Step 6: Final answer
    x = 51,500.45

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1.5x scale

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.