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Finding the Fourth Proportional to 40,522.58, 60,799.82 and 20,521.10

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Solution

The fourth proportional to 40,522.58, 60,799.82 and 20,521.10 is: 30,789.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,522.58 : 60,799.82 = 20,521.10 : x
  2. Step 2: Convert to fraction form
    40,522.58/60,799.82 = 20,521.10/x
  3. Step 3: Cross multiply
    40,522.58x = 60,799.82 × 20,521.10
  4. Step 4: Simplify right side
    40,522.58x = 1,247,678,893.60
  5. Step 5: Solve for x
    x = 1,247,678,893.60/40,522.58
  6. Step 6: Final answer
    x = 30,789.72

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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.