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Finding the Fourth Proportional to 4,702.72, 6,494.34 and 3,591.40

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Solution

The fourth proportional to 4,702.72, 6,494.34 and 3,591.40 is: 4,959.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,702.72 : 6,494.34 = 3,591.40 : x
  2. Step 2: Convert to fraction form
    4,702.72/6,494.34 = 3,591.40/x
  3. Step 3: Cross multiply
    4,702.72x = 6,494.34 × 3,591.40
  4. Step 4: Simplify right side
    4,702.72x = 23,323,772.68
  5. Step 5: Solve for x
    x = 23,323,772.68/4,702.72
  6. Step 6: Final answer
    x = 4,959.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.