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Finding the Fourth Proportional to 35,471.37, 48,950.48 and 20,365.01

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Solution

The fourth proportional to 35,471.37, 48,950.48 and 20,365.01 is: 28,103.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,471.37 : 48,950.48 = 20,365.01 : x
  2. Step 2: Convert to fraction form
    35,471.37/48,950.48 = 20,365.01/x
  3. Step 3: Cross multiply
    35,471.37x = 48,950.48 × 20,365.01
  4. Step 4: Simplify right side
    35,471.37x = 996,876,668.13
  5. Step 5: Solve for x
    x = 996,876,668.13/35,471.37
  6. Step 6: Final answer
    x = 28,103.70

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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.