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Finding the Fourth Proportional to 17,988.96, 26,932.56 and 9,536.21

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Solution

The fourth proportional to 17,988.96, 26,932.56 and 9,536.21 is: 14,277.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,988.96 : 26,932.56 = 9,536.21 : x
  2. Step 2: Convert to fraction form
    17,988.96/26,932.56 = 9,536.21/x
  3. Step 3: Cross multiply
    17,988.96x = 26,932.56 × 9,536.21
  4. Step 4: Simplify right side
    17,988.96x = 256,834,548.00
  5. Step 5: Solve for x
    x = 256,834,548.00/17,988.96
  6. Step 6: Final answer
    x = 14,277.34

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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.