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Finding the Fourth Proportional to 6,610.68, 9,916.93 and 2,916.02

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Solution

The fourth proportional to 6,610.68, 9,916.93 and 2,916.02 is: 4,374.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,610.68 : 9,916.93 = 2,916.02 : x
  2. Step 2: Convert to fraction form
    6,610.68/9,916.93 = 2,916.02/x
  3. Step 3: Cross multiply
    6,610.68x = 9,916.93 × 2,916.02
  4. Step 4: Simplify right side
    6,610.68x = 28,917,938.87
  5. Step 5: Solve for x
    x = 28,917,938.87/6,610.68
  6. Step 6: Final answer
    x = 4,374.43

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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.