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Finding the Fourth Proportional to 4,489.93, 6,702.81 and 4,193.47

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Solution

The fourth proportional to 4,489.93, 6,702.81 and 4,193.47 is: 6,260.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,489.93 : 6,702.81 = 4,193.47 : x
  2. Step 2: Convert to fraction form
    4,489.93/6,702.81 = 4,193.47/x
  3. Step 3: Cross multiply
    4,489.93x = 6,702.81 × 4,193.47
  4. Step 4: Simplify right side
    4,489.93x = 28,108,032.65
  5. Step 5: Solve for x
    x = 28,108,032.65/4,489.93
  6. Step 6: Final answer
    x = 6,260.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.