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Finding the Fourth Proportional to 5,445.17, 8,168.98 and 1,747.62

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Solution

The fourth proportional to 5,445.17, 8,168.98 and 1,747.62 is: 2,621.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.17 : 8,168.98 = 1,747.62 : x
  2. Step 2: Convert to fraction form
    5,445.17/8,168.98 = 1,747.62/x
  3. Step 3: Cross multiply
    5,445.17x = 8,168.98 × 1,747.62
  4. Step 4: Simplify right side
    5,445.17x = 14,276,272.83
  5. Step 5: Solve for x
    x = 14,276,272.83/5,445.17
  6. Step 6: Final answer
    x = 2,621.82

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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.