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Finding the Fourth Proportional to 4,731.89, 7,097.29 and 1,268.87

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Solution

The fourth proportional to 4,731.89, 7,097.29 and 1,268.87 is: 1,903.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,731.89 : 7,097.29 = 1,268.87 : x
  2. Step 2: Convert to fraction form
    4,731.89/7,097.29 = 1,268.87/x
  3. Step 3: Cross multiply
    4,731.89x = 7,097.29 × 1,268.87
  4. Step 4: Simplify right side
    4,731.89x = 9,005,499.70
  5. Step 5: Solve for x
    x = 9,005,499.70/4,731.89
  6. Step 6: Final answer
    x = 1,903.15

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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.