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Finding the Fourth Proportional to 50,466.84, 75,714.84 and 20,879.16

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Solution

The fourth proportional to 50,466.84, 75,714.84 and 20,879.16 is: 31,324.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,466.84 : 75,714.84 = 20,879.16 : x
  2. Step 2: Convert to fraction form
    50,466.84/75,714.84 = 20,879.16/x
  3. Step 3: Cross multiply
    50,466.84x = 75,714.84 × 20,879.16
  4. Step 4: Simplify right side
    50,466.84x = 1,580,862,258.73
  5. Step 5: Solve for x
    x = 1,580,862,258.73/50,466.84
  6. Step 6: Final answer
    x = 31,324.77

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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.