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Finding the Fourth Proportional to 2,916.62, 4,377.03 and 1,435.52

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Solution

The fourth proportional to 2,916.62, 4,377.03 and 1,435.52 is: 2,154.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.62 : 4,377.03 = 1,435.52 : x
  2. Step 2: Convert to fraction form
    2,916.62/4,377.03 = 1,435.52/x
  3. Step 3: Cross multiply
    2,916.62x = 4,377.03 × 1,435.52
  4. Step 4: Simplify right side
    2,916.62x = 6,283,314.11
  5. Step 5: Solve for x
    x = 6,283,314.11/2,916.62
  6. Step 6: Final answer
    x = 2,154.31

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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.