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Finding the Fourth Proportional to 35,950.30, 49,611.90 and 20,034.21

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Solution

The fourth proportional to 35,950.30, 49,611.90 and 20,034.21 is: 27,647.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,950.30 : 49,611.90 = 20,034.21 : x
  2. Step 2: Convert to fraction form
    35,950.30/49,611.90 = 20,034.21/x
  3. Step 3: Cross multiply
    35,950.30x = 49,611.90 × 20,034.21
  4. Step 4: Simplify right side
    35,950.30x = 993,935,223.10
  5. Step 5: Solve for x
    x = 993,935,223.10/35,950.30
  6. Step 6: Final answer
    x = 27,647.48

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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.