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Finding the Fourth Proportional to 20,484.01, 30,744.33 and 10,495.57

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Solution

The fourth proportional to 20,484.01, 30,744.33 and 10,495.57 is: 15,752.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,484.01 : 30,744.33 = 10,495.57 : x
  2. Step 2: Convert to fraction form
    20,484.01/30,744.33 = 10,495.57/x
  3. Step 3: Cross multiply
    20,484.01x = 30,744.33 × 10,495.57
  4. Step 4: Simplify right side
    20,484.01x = 322,679,267.62
  5. Step 5: Solve for x
    x = 322,679,267.62/20,484.01
  6. Step 6: Final answer
    x = 15,752.74

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.