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Finding the Fourth Proportional to 34,063.96, 50,947.98 and 19,990.48

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Solution

The fourth proportional to 34,063.96, 50,947.98 and 19,990.48 is: 29,898.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,063.96 : 50,947.98 = 19,990.48 : x
  2. Step 2: Convert to fraction form
    34,063.96/50,947.98 = 19,990.48/x
  3. Step 3: Cross multiply
    34,063.96x = 50,947.98 × 19,990.48
  4. Step 4: Simplify right side
    34,063.96x = 1,018,474,575.23
  5. Step 5: Solve for x
    x = 1,018,474,575.23/34,063.96
  6. Step 6: Final answer
    x = 29,898.89

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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.