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Finding the Fourth Proportional to 17,402.67, 26,104.01 and 10,520.91

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Solution

The fourth proportional to 17,402.67, 26,104.01 and 10,520.91 is: 15,781.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,402.67 : 26,104.01 = 10,520.91 : x
  2. Step 2: Convert to fraction form
    17,402.67/26,104.01 = 10,520.91/x
  3. Step 3: Cross multiply
    17,402.67x = 26,104.01 × 10,520.91
  4. Step 4: Simplify right side
    17,402.67x = 274,637,887.24
  5. Step 5: Solve for x
    x = 274,637,887.24/17,402.67
  6. Step 6: Final answer
    x = 15,781.37

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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.