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Finding the Fourth Proportional to 35,157.53, 48,514.95 and 20,050.83

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Solution

The fourth proportional to 35,157.53, 48,514.95 and 20,050.83 is: 27,668.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,157.53 : 48,514.95 = 20,050.83 : x
  2. Step 2: Convert to fraction form
    35,157.53/48,514.95 = 20,050.83/x
  3. Step 3: Cross multiply
    35,157.53x = 48,514.95 × 20,050.83
  4. Step 4: Simplify right side
    35,157.53x = 972,765,014.91
  5. Step 5: Solve for x
    x = 972,765,014.91/35,157.53
  6. Step 6: Final answer
    x = 27,668.76

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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.