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Finding the Fourth Proportional to 4,959.93, 7,437.62 and 1,672.14

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Solution

The fourth proportional to 4,959.93, 7,437.62 and 1,672.14 is: 2,507.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959.93 : 7,437.62 = 1,672.14 : x
  2. Step 2: Convert to fraction form
    4,959.93/7,437.62 = 1,672.14/x
  3. Step 3: Cross multiply
    4,959.93x = 7,437.62 × 1,672.14
  4. Step 4: Simplify right side
    4,959.93x = 12,436,773.98
  5. Step 5: Solve for x
    x = 12,436,773.98/4,959.93
  6. Step 6: Final answer
    x = 2,507.45

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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.