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Finding the Fourth Proportional to 3,309.64, 4,984.26 and 3,014.40

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Solution

The fourth proportional to 3,309.64, 4,984.26 and 3,014.40 is: 4,539.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.64 : 4,984.26 = 3,014.40 : x
  2. Step 2: Convert to fraction form
    3,309.64/4,984.26 = 3,014.40/x
  3. Step 3: Cross multiply
    3,309.64x = 4,984.26 × 3,014.40
  4. Step 4: Simplify right side
    3,309.64x = 15,024,553.34
  5. Step 5: Solve for x
    x = 15,024,553.34/3,309.64
  6. Step 6: Final answer
    x = 4,539.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.