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Finding the Fourth Proportional to 40,581, 60,871.74 and 10,996.68

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Solution

The fourth proportional to 40,581, 60,871.74 and 10,996.68 is: 16,495.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,581 : 60,871.74 = 10,996.68 : x
  2. Step 2: Convert to fraction form
    40,581/60,871.74 = 10,996.68/x
  3. Step 3: Cross multiply
    40,581x = 60,871.74 × 10,996.68
  4. Step 4: Simplify right side
    40,581x = 669,387,045.82
  5. Step 5: Solve for x
    x = 669,387,045.82/40,581
  6. Step 6: Final answer
    x = 16,495.09

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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.