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Finding the Fourth Proportional to 4,963.57, 7,430.77 and 3,916.24

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Solution

The fourth proportional to 4,963.57, 7,430.77 and 3,916.24 is: 5,862.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,963.57 : 7,430.77 = 3,916.24 : x
  2. Step 2: Convert to fraction form
    4,963.57/7,430.77 = 3,916.24/x
  3. Step 3: Cross multiply
    4,963.57x = 7,430.77 × 3,916.24
  4. Step 4: Simplify right side
    4,963.57x = 29,100,678.70
  5. Step 5: Solve for x
    x = 29,100,678.70/4,963.57
  6. Step 6: Final answer
    x = 5,862.85

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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.