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Finding the Fourth Proportional to 40,626.70, 60,933.87 and 15,663.11

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Solution

The fourth proportional to 40,626.70, 60,933.87 and 15,663.11 is: 23,492.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,626.70 : 60,933.87 = 15,663.11 : x
  2. Step 2: Convert to fraction form
    40,626.70/60,933.87 = 15,663.11/x
  3. Step 3: Cross multiply
    40,626.70x = 60,933.87 × 15,663.11
  4. Step 4: Simplify right side
    40,626.70x = 954,413,830.22
  5. Step 5: Solve for x
    x = 954,413,830.22/40,626.70
  6. Step 6: Final answer
    x = 23,492.28

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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.