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Finding the Fourth Proportional to 21,044.68, 29,041.22 and 11,484.12

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Solution

The fourth proportional to 21,044.68, 29,041.22 and 11,484.12 is: 15,847.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,044.68 : 29,041.22 = 11,484.12 : x
  2. Step 2: Convert to fraction form
    21,044.68/29,041.22 = 11,484.12/x
  3. Step 3: Cross multiply
    21,044.68x = 29,041.22 × 11,484.12
  4. Step 4: Simplify right side
    21,044.68x = 333,512,855.43
  5. Step 5: Solve for x
    x = 333,512,855.43/21,044.68
  6. Step 6: Final answer
    x = 15,847.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.