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Finding the Fourth Proportional to 4,294.72, 5,928.14 and 2,616.20

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Solution

The fourth proportional to 4,294.72, 5,928.14 and 2,616.20 is: 3,611.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,294.72 : 5,928.14 = 2,616.20 : x
  2. Step 2: Convert to fraction form
    4,294.72/5,928.14 = 2,616.20/x
  3. Step 3: Cross multiply
    4,294.72x = 5,928.14 × 2,616.20
  4. Step 4: Simplify right side
    4,294.72x = 15,509,184.28
  5. Step 5: Solve for x
    x = 15,509,184.28/4,294.72
  6. Step 6: Final answer
    x = 3,611.22

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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.