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Finding the Fourth Proportional to 4,641.98, 6,950.54 and 2,790.52

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Solution

The fourth proportional to 4,641.98, 6,950.54 and 2,790.52 is: 4,178.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,641.98 : 6,950.54 = 2,790.52 : x
  2. Step 2: Convert to fraction form
    4,641.98/6,950.54 = 2,790.52/x
  3. Step 3: Cross multiply
    4,641.98x = 6,950.54 × 2,790.52
  4. Step 4: Simplify right side
    4,641.98x = 19,395,610.48
  5. Step 5: Solve for x
    x = 19,395,610.48/4,641.98
  6. Step 6: Final answer
    x = 4,178.31

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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.