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Finding the Fourth Proportional to 4,392.90, 6,061.43 and 2,601.86

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Solution

The fourth proportional to 4,392.90, 6,061.43 and 2,601.86 is: 3,590.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,392.90 : 6,061.43 = 2,601.86 : x
  2. Step 2: Convert to fraction form
    4,392.90/6,061.43 = 2,601.86/x
  3. Step 3: Cross multiply
    4,392.90x = 6,061.43 × 2,601.86
  4. Step 4: Simplify right side
    4,392.90x = 15,770,968.46
  5. Step 5: Solve for x
    x = 15,770,968.46/4,392.90
  6. Step 6: Final answer
    x = 3,590.10

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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.