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Finding the Fourth Proportional to 21,355.52, 32,028.12 and 9,502.88

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Solution

The fourth proportional to 21,355.52, 32,028.12 and 9,502.88 is: 14,252.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,355.52 : 32,028.12 = 9,502.88 : x
  2. Step 2: Convert to fraction form
    21,355.52/32,028.12 = 9,502.88/x
  3. Step 3: Cross multiply
    21,355.52x = 32,028.12 × 9,502.88
  4. Step 4: Simplify right side
    21,355.52x = 304,359,380.99
  5. Step 5: Solve for x
    x = 304,359,380.99/21,355.52
  6. Step 6: Final answer
    x = 14,252.02

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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.