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Finding the Fourth Proportional to 4,860, 6,709.36 and 3,444.86

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Solution

The fourth proportional to 4,860, 6,709.36 and 3,444.86 is: 4,755.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860 : 6,709.36 = 3,444.86 : x
  2. Step 2: Convert to fraction form
    4,860/6,709.36 = 3,444.86/x
  3. Step 3: Cross multiply
    4,860x = 6,709.36 × 3,444.86
  4. Step 4: Simplify right side
    4,860x = 23,112,805.89
  5. Step 5: Solve for x
    x = 23,112,805.89/4,860
  6. Step 6: Final answer
    x = 4,755.72

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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.