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Finding the Fourth Proportional to 66,463.99, 99,714.81 and 27,049.39

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Solution

The fourth proportional to 66,463.99, 99,714.81 and 27,049.39 is: 40,581.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,463.99 : 99,714.81 = 27,049.39 : x
  2. Step 2: Convert to fraction form
    66,463.99/99,714.81 = 27,049.39/x
  3. Step 3: Cross multiply
    66,463.99x = 99,714.81 × 27,049.39
  4. Step 4: Simplify right side
    66,463.99x = 2,697,224,636.61
  5. Step 5: Solve for x
    x = 2,697,224,636.61/66,463.99
  6. Step 6: Final answer
    x = 40,581.75

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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.