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Finding the Fourth Proportional to 45,900.80, 68,793.80 and 19,574.80

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Solution

The fourth proportional to 45,900.80, 68,793.80 and 19,574.80 is: 29,337.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,900.80 : 68,793.80 = 19,574.80 : x
  2. Step 2: Convert to fraction form
    45,900.80/68,793.80 = 19,574.80/x
  3. Step 3: Cross multiply
    45,900.80x = 68,793.80 × 19,574.80
  4. Step 4: Simplify right side
    45,900.80x = 1,346,624,876.24
  5. Step 5: Solve for x
    x = 1,346,624,876.24/45,900.80
  6. Step 6: Final answer
    x = 29,337.72

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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.