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Finding the Fourth Proportional to 66,881, 100,329.87 and 24,753.98

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Solution

The fourth proportional to 66,881, 100,329.87 and 24,753.98 is: 37,134.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,881 : 100,329.87 = 24,753.98 : x
  2. Step 2: Convert to fraction form
    66,881/100,329.87 = 24,753.98/x
  3. Step 3: Cross multiply
    66,881x = 100,329.87 × 24,753.98
  4. Step 4: Simplify right side
    66,881x = 2,483,563,595.38
  5. Step 5: Solve for x
    x = 2,483,563,595.38/66,881
  6. Step 6: Final answer
    x = 37,134.07

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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.