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Finding the Fourth Proportional to 86,033.73, 129,000.36 and 33,381.72

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Solution

The fourth proportional to 86,033.73, 129,000.36 and 33,381.72 is: 50,053.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,033.73 : 129,000.36 = 33,381.72 : x
  2. Step 2: Convert to fraction form
    86,033.73/129,000.36 = 33,381.72/x
  3. Step 3: Cross multiply
    86,033.73x = 129,000.36 × 33,381.72
  4. Step 4: Simplify right side
    86,033.73x = 4,306,253,897.42
  5. Step 5: Solve for x
    x = 4,306,253,897.42/86,033.73
  6. Step 6: Final answer
    x = 50,053.09

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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.