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Finding the Fourth Proportional to 21,950.55, 32,927.21 and 8,801.21

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Solution

The fourth proportional to 21,950.55, 32,927.21 and 8,801.21 is: 13,202.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,950.55 : 32,927.21 = 8,801.21 : x
  2. Step 2: Convert to fraction form
    21,950.55/32,927.21 = 8,801.21/x
  3. Step 3: Cross multiply
    21,950.55x = 32,927.21 × 8,801.21
  4. Step 4: Simplify right side
    21,950.55x = 289,799,081.28
  5. Step 5: Solve for x
    x = 289,799,081.28/21,950.55
  6. Step 6: Final answer
    x = 13,202.36

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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.