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Finding the Fourth Proportional to 17,802.78, 24,545.50 and 11,418.11

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Solution

The fourth proportional to 17,802.78, 24,545.50 and 11,418.11 is: 15,742.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,802.78 : 24,545.50 = 11,418.11 : x
  2. Step 2: Convert to fraction form
    17,802.78/24,545.50 = 11,418.11/x
  3. Step 3: Cross multiply
    17,802.78x = 24,545.50 × 11,418.11
  4. Step 4: Simplify right side
    17,802.78x = 280,263,096.28
  5. Step 5: Solve for x
    x = 280,263,096.28/17,802.78
  6. Step 6: Final answer
    x = 15,742.66

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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.