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Finding the Fourth Proportional to 45,497.84, 68,252.22 and 43,009.52

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Solution

The fourth proportional to 45,497.84, 68,252.22 and 43,009.52 is: 64,519.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,497.84 : 68,252.22 = 43,009.52 : x
  2. Step 2: Convert to fraction form
    45,497.84/68,252.22 = 43,009.52/x
  3. Step 3: Cross multiply
    45,497.84x = 68,252.22 × 43,009.52
  4. Step 4: Simplify right side
    45,497.84x = 2,935,494,879.87
  5. Step 5: Solve for x
    x = 2,935,494,879.87/45,497.84
  6. Step 6: Final answer
    x = 64,519.44

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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.