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Finding the Fourth Proportional to 35,227.80, 48,619.37 and 21,803.38

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Solution

The fourth proportional to 35,227.80, 48,619.37 and 21,803.38 is: 30,091.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,227.80 : 48,619.37 = 21,803.38 : x
  2. Step 2: Convert to fraction form
    35,227.80/48,619.37 = 21,803.38/x
  3. Step 3: Cross multiply
    35,227.80x = 48,619.37 × 21,803.38
  4. Step 4: Simplify right side
    35,227.80x = 1,060,066,599.47
  5. Step 5: Solve for x
    x = 1,060,066,599.47/35,227.80
  6. Step 6: Final answer
    x = 30,091.76

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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.