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Finding the Fourth Proportional to 4,855.70, 6,700.85 and 2,760.23

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Solution

The fourth proportional to 4,855.70, 6,700.85 and 2,760.23 is: 3,809.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855.70 : 6,700.85 = 2,760.23 : x
  2. Step 2: Convert to fraction form
    4,855.70/6,700.85 = 2,760.23/x
  3. Step 3: Cross multiply
    4,855.70x = 6,700.85 × 2,760.23
  4. Step 4: Simplify right side
    4,855.70x = 18,495,839.89
  5. Step 5: Solve for x
    x = 18,495,839.89/4,855.70
  6. Step 6: Final answer
    x = 3,809.10

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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.