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Finding the Fourth Proportional to 17,335.80, 26,003.70 and 15,586.20

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Solution

The fourth proportional to 17,335.80, 26,003.70 and 15,586.20 is: 23,379.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,335.80 : 26,003.70 = 15,586.20 : x
  2. Step 2: Convert to fraction form
    17,335.80/26,003.70 = 15,586.20/x
  3. Step 3: Cross multiply
    17,335.80x = 26,003.70 × 15,586.20
  4. Step 4: Simplify right side
    17,335.80x = 405,298,868.94
  5. Step 5: Solve for x
    x = 405,298,868.94/17,335.80
  6. Step 6: Final answer
    x = 23,379.30

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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.