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Finding the Fourth Proportional to 17,952.75, 26,889.03 and 13,011.05

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Solution

The fourth proportional to 17,952.75, 26,889.03 and 13,011.05 is: 19,487.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,952.75 : 26,889.03 = 13,011.05 : x
  2. Step 2: Convert to fraction form
    17,952.75/26,889.03 = 13,011.05/x
  3. Step 3: Cross multiply
    17,952.75x = 26,889.03 × 13,011.05
  4. Step 4: Simplify right side
    17,952.75x = 349,854,379.34
  5. Step 5: Solve for x
    x = 349,854,379.34/17,952.75
  6. Step 6: Final answer
    x = 19,487.51

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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.