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Finding the Fourth Proportional to 2,902.01, 4,358.96 and 1,916.27

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Solution

The fourth proportional to 2,902.01, 4,358.96 and 1,916.27 is: 2,878.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,902.01 : 4,358.96 = 1,916.27 : x
  2. Step 2: Convert to fraction form
    2,902.01/4,358.96 = 1,916.27/x
  3. Step 3: Cross multiply
    2,902.01x = 4,358.96 × 1,916.27
  4. Step 4: Simplify right side
    2,902.01x = 8,352,934.70
  5. Step 5: Solve for x
    x = 8,352,934.70/2,902.01
  6. Step 6: Final answer
    x = 2,878.33

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1.5x scale

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.