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Finding the Fourth Proportional to 4,671.24, 7,006.86 and 2,699.88

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Solution

The fourth proportional to 4,671.24, 7,006.86 and 2,699.88 is: 4,049.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,671.24 : 7,006.86 = 2,699.88 : x
  2. Step 2: Convert to fraction form
    4,671.24/7,006.86 = 2,699.88/x
  3. Step 3: Cross multiply
    4,671.24x = 7,006.86 × 2,699.88
  4. Step 4: Simplify right side
    4,671.24x = 18,917,681.18
  5. Step 5: Solve for x
    x = 18,917,681.18/4,671.24
  6. Step 6: Final answer
    x = 4,049.82

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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.