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Finding the Fourth Proportional to 3,574.56, 5,362.46 and 1,234.80

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Solution

The fourth proportional to 3,574.56, 5,362.46 and 1,234.80 is: 1,852.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574.56 : 5,362.46 = 1,234.80 : x
  2. Step 2: Convert to fraction form
    3,574.56/5,362.46 = 1,234.80/x
  3. Step 3: Cross multiply
    3,574.56x = 5,362.46 × 1,234.80
  4. Step 4: Simplify right side
    3,574.56x = 6,621,565.61
  5. Step 5: Solve for x
    x = 6,621,565.61/3,574.56
  6. Step 6: Final answer
    x = 1,852.41

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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.