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Finding the Fourth Proportional to 17,893.31, 26,833.80 and 9,005.21

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Solution

The fourth proportional to 17,893.31, 26,833.80 and 9,005.21 is: 13,504.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,893.31 : 26,833.80 = 9,005.21 : x
  2. Step 2: Convert to fraction form
    17,893.31/26,833.80 = 9,005.21/x
  3. Step 3: Cross multiply
    17,893.31x = 26,833.80 × 9,005.21
  4. Step 4: Simplify right side
    17,893.31x = 241,643,869.93
  5. Step 5: Solve for x
    x = 241,643,869.93/17,893.31
  6. Step 6: Final answer
    x = 13,504.70

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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.