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Finding the Fourth Proportional to 17,998.53, 27,003.06 and 9,239.55

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Solution

The fourth proportional to 17,998.53, 27,003.06 and 9,239.55 is: 13,862.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,998.53 : 27,003.06 = 9,239.55 : x
  2. Step 2: Convert to fraction form
    17,998.53/27,003.06 = 9,239.55/x
  3. Step 3: Cross multiply
    17,998.53x = 27,003.06 × 9,239.55
  4. Step 4: Simplify right side
    17,998.53x = 249,496,123.02
  5. Step 5: Solve for x
    x = 249,496,123.02/17,998.53
  6. Step 6: Final answer
    x = 13,862.03

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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.