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Finding the Fourth Proportional to 5,616.33, 7,756.74 and 4,372.44

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Solution

The fourth proportional to 5,616.33, 7,756.74 and 4,372.44 is: 6,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,616.33 : 7,756.74 = 4,372.44 : x
  2. Step 2: Convert to fraction form
    5,616.33/7,756.74 = 4,372.44/x
  3. Step 3: Cross multiply
    5,616.33x = 7,756.74 × 4,372.44
  4. Step 4: Simplify right side
    5,616.33x = 33,915,880.25
  5. Step 5: Solve for x
    x = 33,915,880.25/5,616.33
  6. Step 6: Final answer
    x = 6,038.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.