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Finding the Fourth Proportional to 45,854.99, 68,792.81 and 16,272.78

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Solution

The fourth proportional to 45,854.99, 68,792.81 and 16,272.78 is: 24,412.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,854.99 : 68,792.81 = 16,272.78 : x
  2. Step 2: Convert to fraction form
    45,854.99/68,792.81 = 16,272.78/x
  3. Step 3: Cross multiply
    45,854.99x = 68,792.81 × 16,272.78
  4. Step 4: Simplify right side
    45,854.99x = 1,119,450,262.71
  5. Step 5: Solve for x
    x = 1,119,450,262.71/45,854.99
  6. Step 6: Final answer
    x = 24,412.83

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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.