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Finding the Fourth Proportional to 21,732.65, 32,609.90 and 16,197.11

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Solution

The fourth proportional to 21,732.65, 32,609.90 and 16,197.11 is: 24,303.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,732.65 : 32,609.90 = 16,197.11 : x
  2. Step 2: Convert to fraction form
    21,732.65/32,609.90 = 16,197.11/x
  3. Step 3: Cross multiply
    21,732.65x = 32,609.90 × 16,197.11
  4. Step 4: Simplify right side
    21,732.65x = 528,186,014.83
  5. Step 5: Solve for x
    x = 528,186,014.83/21,732.65
  6. Step 6: Final answer
    x = 24,303.81

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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.