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Finding the Fourth Proportional to 36,490.62, 50,358.48 and 20,575.62

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Solution

The fourth proportional to 36,490.62, 50,358.48 and 20,575.62 is: 28,395.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,490.62 : 50,358.48 = 20,575.62 : x
  2. Step 2: Convert to fraction form
    36,490.62/50,358.48 = 20,575.62/x
  3. Step 3: Cross multiply
    36,490.62x = 50,358.48 × 20,575.62
  4. Step 4: Simplify right side
    36,490.62x = 1,036,156,948.26
  5. Step 5: Solve for x
    x = 1,036,156,948.26/36,490.62
  6. Step 6: Final answer
    x = 28,395.16

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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.