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Finding the Fourth Proportional to 19,363.16, 29,073.90 and 11,052.56

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Solution

The fourth proportional to 19,363.16, 29,073.90 and 11,052.56 is: 16,595.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,363.16 : 29,073.90 = 11,052.56 : x
  2. Step 2: Convert to fraction form
    19,363.16/29,073.90 = 11,052.56/x
  3. Step 3: Cross multiply
    19,363.16x = 29,073.90 × 11,052.56
  4. Step 4: Simplify right side
    19,363.16x = 321,341,024.18
  5. Step 5: Solve for x
    x = 321,341,024.18/19,363.16
  6. Step 6: Final answer
    x = 16,595.48

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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.