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Finding the Fourth Proportional to 17,909.25, 26,873.73 and 8,675.25

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Solution

The fourth proportional to 17,909.25, 26,873.73 and 8,675.25 is: 13,017.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,909.25 : 26,873.73 = 8,675.25 : x
  2. Step 2: Convert to fraction form
    17,909.25/26,873.73 = 8,675.25/x
  3. Step 3: Cross multiply
    17,909.25x = 26,873.73 × 8,675.25
  4. Step 4: Simplify right side
    17,909.25x = 233,136,326.18
  5. Step 5: Solve for x
    x = 233,136,326.18/17,909.25
  6. Step 6: Final answer
    x = 13,017.65

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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.