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Finding the Fourth Proportional to 21,882.08, 32,823.12 and 5,466.08

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Solution

The fourth proportional to 21,882.08, 32,823.12 and 5,466.08 is: 8,199.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,882.08 : 32,823.12 = 5,466.08 : x
  2. Step 2: Convert to fraction form
    21,882.08/32,823.12 = 5,466.08/x
  3. Step 3: Cross multiply
    21,882.08x = 32,823.12 × 5,466.08
  4. Step 4: Simplify right side
    21,882.08x = 179,413,799.77
  5. Step 5: Solve for x
    x = 179,413,799.77/21,882.08
  6. Step 6: Final answer
    x = 8,199.12

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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.