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Finding the Fourth Proportional to 34,990.16, 48,284.52 and 20,086.16

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Solution

The fourth proportional to 34,990.16, 48,284.52 and 20,086.16 is: 27,717.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,990.16 : 48,284.52 = 20,086.16 : x
  2. Step 2: Convert to fraction form
    34,990.16/48,284.52 = 20,086.16/x
  3. Step 3: Cross multiply
    34,990.16x = 48,284.52 × 20,086.16
  4. Step 4: Simplify right side
    34,990.16x = 969,850,594.24
  5. Step 5: Solve for x
    x = 969,850,594.24/34,990.16
  6. Step 6: Final answer
    x = 27,717.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.