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Finding the Fourth Proportional to 17,888.73, 26,833.66 and 8,999.21

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Solution

The fourth proportional to 17,888.73, 26,833.66 and 8,999.21 is: 13,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,888.73 : 26,833.66 = 8,999.21 : x
  2. Step 2: Convert to fraction form
    17,888.73/26,833.66 = 8,999.21/x
  3. Step 3: Cross multiply
    17,888.73x = 26,833.66 × 8,999.21
  4. Step 4: Simplify right side
    17,888.73x = 241,481,607.24
  5. Step 5: Solve for x
    x = 241,481,607.24/17,888.73
  6. Step 6: Final answer
    x = 13,499.10

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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.