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Finding the Fourth Proportional to 17,869.92, 26,805.79 and 6,777.50

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Solution

The fourth proportional to 17,869.92, 26,805.79 and 6,777.50 is: 10,166.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,869.92 : 26,805.79 = 6,777.50 : x
  2. Step 2: Convert to fraction form
    17,869.92/26,805.79 = 6,777.50/x
  3. Step 3: Cross multiply
    17,869.92x = 26,805.79 × 6,777.50
  4. Step 4: Simplify right side
    17,869.92x = 181,676,153.44
  5. Step 5: Solve for x
    x = 181,676,153.44/17,869.92
  6. Step 6: Final answer
    x = 10,166.59

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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.