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Finding the Fourth Proportional to 17,705.25, 26,557.88 and 5,393.25

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Solution

The fourth proportional to 17,705.25, 26,557.88 and 5,393.25 is: 8,089.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,705.25 : 26,557.88 = 5,393.25 : x
  2. Step 2: Convert to fraction form
    17,705.25/26,557.88 = 5,393.25/x
  3. Step 3: Cross multiply
    17,705.25x = 26,557.88 × 5,393.25
  4. Step 4: Simplify right side
    17,705.25x = 143,233,259.34
  5. Step 5: Solve for x
    x = 143,233,259.34/17,705.25
  6. Step 6: Final answer
    x = 8,089.88

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Similar ratio
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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.