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Finding the Fourth Proportional to 3,342.70, 5,014.05 and 3,040.30

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Solution

The fourth proportional to 3,342.70, 5,014.05 and 3,040.30 is: 4,560.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.70 : 5,014.05 = 3,040.30 : x
  2. Step 2: Convert to fraction form
    3,342.70/5,014.05 = 3,040.30/x
  3. Step 3: Cross multiply
    3,342.70x = 5,014.05 × 3,040.30
  4. Step 4: Simplify right side
    3,342.70x = 15,244,216.22
  5. Step 5: Solve for x
    x = 15,244,216.22/3,342.70
  6. Step 6: Final answer
    x = 4,560.45

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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.