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Finding the Fourth Proportional to 21,763.25, 32,645.24 and 9,451.25

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Solution

The fourth proportional to 21,763.25, 32,645.24 and 9,451.25 is: 14,177.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,763.25 : 32,645.24 = 9,451.25 : x
  2. Step 2: Convert to fraction form
    21,763.25/32,645.24 = 9,451.25/x
  3. Step 3: Cross multiply
    21,763.25x = 32,645.24 × 9,451.25
  4. Step 4: Simplify right side
    21,763.25x = 308,538,277.29
  5. Step 5: Solve for x
    x = 308,538,277.29/21,763.25
  6. Step 6: Final answer
    x = 14,177.03

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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.