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Finding the Fourth Proportional to 36,254.62, 50,030.62 and 20,120.99

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Solution

The fourth proportional to 36,254.62, 50,030.62 and 20,120.99 is: 27,766.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,254.62 : 50,030.62 = 20,120.99 : x
  2. Step 2: Convert to fraction form
    36,254.62/50,030.62 = 20,120.99/x
  3. Step 3: Cross multiply
    36,254.62x = 50,030.62 × 20,120.99
  4. Step 4: Simplify right side
    36,254.62x = 1,006,665,886.48
  5. Step 5: Solve for x
    x = 1,006,665,886.48/36,254.62
  6. Step 6: Final answer
    x = 27,766.55

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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.