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Finding the Fourth Proportional to 17,897.32, 26,825.73 and 9,113.68

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Solution

The fourth proportional to 17,897.32, 26,825.73 and 9,113.68 is: 13,660.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,897.32 : 26,825.73 = 9,113.68 : x
  2. Step 2: Convert to fraction form
    17,897.32/26,825.73 = 9,113.68/x
  3. Step 3: Cross multiply
    17,897.32x = 26,825.73 × 9,113.68
  4. Step 4: Simplify right side
    17,897.32x = 244,481,118.99
  5. Step 5: Solve for x
    x = 244,481,118.99/17,897.32
  6. Step 6: Final answer
    x = 13,660.21

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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.