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Finding the Fourth Proportional to 50,679.58, 69,948.93 and 29,471.08

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Solution

The fourth proportional to 50,679.58, 69,948.93 and 29,471.08 is: 40,676.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,679.58 : 69,948.93 = 29,471.08 : x
  2. Step 2: Convert to fraction form
    50,679.58/69,948.93 = 29,471.08/x
  3. Step 3: Cross multiply
    50,679.58x = 69,948.93 × 29,471.08
  4. Step 4: Simplify right side
    50,679.58x = 2,061,470,576.30
  5. Step 5: Solve for x
    x = 2,061,470,576.30/50,679.58
  6. Step 6: Final answer
    x = 40,676.55

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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.