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Finding the Fourth Proportional to 20,094.91, 30,141.91 and 5,304.87

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Solution

The fourth proportional to 20,094.91, 30,141.91 and 5,304.87 is: 7,957.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,094.91 : 30,141.91 = 5,304.87 : x
  2. Step 2: Convert to fraction form
    20,094.91/30,141.91 = 5,304.87/x
  3. Step 3: Cross multiply
    20,094.91x = 30,141.91 × 5,304.87
  4. Step 4: Simplify right side
    20,094.91x = 159,898,920.73
  5. Step 5: Solve for x
    x = 159,898,920.73/20,094.91
  6. Step 6: Final answer
    x = 7,957.18

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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.