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Finding the Fourth Proportional to 38,752.29, 58,138.29 and 11,050.29

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Solution

The fourth proportional to 38,752.29, 58,138.29 and 11,050.29 is: 16,578.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,752.29 : 58,138.29 = 11,050.29 : x
  2. Step 2: Convert to fraction form
    38,752.29/58,138.29 = 11,050.29/x
  3. Step 3: Cross multiply
    38,752.29x = 58,138.29 × 11,050.29
  4. Step 4: Simplify right side
    38,752.29x = 642,444,964.60
  5. Step 5: Solve for x
    x = 642,444,964.60/38,752.29
  6. Step 6: Final answer
    x = 16,578.25

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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.