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Finding the Fourth Proportional to 17,601.70, 26,402.55 and 11,040.70

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Solution

The fourth proportional to 17,601.70, 26,402.55 and 11,040.70 is: 16,561.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,601.70 : 26,402.55 = 11,040.70 : x
  2. Step 2: Convert to fraction form
    17,601.70/26,402.55 = 11,040.70/x
  3. Step 3: Cross multiply
    17,601.70x = 26,402.55 × 11,040.70
  4. Step 4: Simplify right side
    17,601.70x = 291,502,633.79
  5. Step 5: Solve for x
    x = 291,502,633.79/17,601.70
  6. Step 6: Final answer
    x = 16,561.05

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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.