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Finding the Fourth Proportional to 3,275.93, 4,916.72 and 1,717.02

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Solution

The fourth proportional to 3,275.93, 4,916.72 and 1,717.02 is: 2,577.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.93 : 4,916.72 = 1,717.02 : x
  2. Step 2: Convert to fraction form
    3,275.93/4,916.72 = 1,717.02/x
  3. Step 3: Cross multiply
    3,275.93x = 4,916.72 × 1,717.02
  4. Step 4: Simplify right side
    3,275.93x = 8,442,110.87
  5. Step 5: Solve for x
    x = 8,442,110.87/3,275.93
  6. Step 6: Final answer
    x = 2,577.01

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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.