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Finding the Fourth Proportional to 34,258.77, 51,380.87 and 10,879.74

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Solution

The fourth proportional to 34,258.77, 51,380.87 and 10,879.74 is: 16,317.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,258.77 : 51,380.87 = 10,879.74 : x
  2. Step 2: Convert to fraction form
    34,258.77/51,380.87 = 10,879.74/x
  3. Step 3: Cross multiply
    34,258.77x = 51,380.87 × 10,879.74
  4. Step 4: Simplify right side
    34,258.77x = 559,010,452.18
  5. Step 5: Solve for x
    x = 559,010,452.18/34,258.77
  6. Step 6: Final answer
    x = 16,317.29

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1.5x scale

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.