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Finding the Fourth Proportional to 21,950.90, 32,900.04 and 11,266.27

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Solution

The fourth proportional to 21,950.90, 32,900.04 and 11,266.27 is: 16,885.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,950.90 : 32,900.04 = 11,266.27 : x
  2. Step 2: Convert to fraction form
    21,950.90/32,900.04 = 11,266.27/x
  3. Step 3: Cross multiply
    21,950.90x = 32,900.04 × 11,266.27
  4. Step 4: Simplify right side
    21,950.90x = 370,660,733.65
  5. Step 5: Solve for x
    x = 370,660,733.65/21,950.90
  6. Step 6: Final answer
    x = 16,885.90

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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.