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Finding the Fourth Proportional to 34,008.40, 50,954.98 and 20,833.30

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Solution

The fourth proportional to 34,008.40, 50,954.98 and 20,833.30 is: 31,214.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,008.40 : 50,954.98 = 20,833.30 : x
  2. Step 2: Convert to fraction form
    34,008.40/50,954.98 = 20,833.30/x
  3. Step 3: Cross multiply
    34,008.40x = 50,954.98 × 20,833.30
  4. Step 4: Simplify right side
    34,008.40x = 1,061,560,384.83
  5. Step 5: Solve for x
    x = 1,061,560,384.83/34,008.40
  6. Step 6: Final answer
    x = 31,214.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.