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Finding the Fourth Proportional to 5,625.68, 8,440.68 and 2,704.88

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Solution

The fourth proportional to 5,625.68, 8,440.68 and 2,704.88 is: 4,058.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625.68 : 8,440.68 = 2,704.88 : x
  2. Step 2: Convert to fraction form
    5,625.68/8,440.68 = 2,704.88/x
  3. Step 3: Cross multiply
    5,625.68x = 8,440.68 × 2,704.88
  4. Step 4: Simplify right side
    5,625.68x = 22,831,026.52
  5. Step 5: Solve for x
    x = 22,831,026.52/5,625.68
  6. Step 6: Final answer
    x = 4,058.36

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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.