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Finding the Fourth Proportional to 17,560.72, 26,186.18 and 17,402.68

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Solution

The fourth proportional to 17,560.72, 26,186.18 and 17,402.68 is: 25,950.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,560.72 : 26,186.18 = 17,402.68 : x
  2. Step 2: Convert to fraction form
    17,560.72/26,186.18 = 17,402.68/x
  3. Step 3: Cross multiply
    17,560.72x = 26,186.18 × 17,402.68
  4. Step 4: Simplify right side
    17,560.72x = 455,709,710.96
  5. Step 5: Solve for x
    x = 455,709,710.96/17,560.72
  6. Step 6: Final answer
    x = 25,950.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.