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Finding the Fourth Proportional to 8,423.01, 11,626 and 4,976.62

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Solution

The fourth proportional to 8,423.01, 11,626 and 4,976.62 is: 6,869.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423.01 : 11,626 = 4,976.62 : x
  2. Step 2: Convert to fraction form
    8,423.01/11,626 = 4,976.62/x
  3. Step 3: Cross multiply
    8,423.01x = 11,626 × 4,976.62
  4. Step 4: Simplify right side
    8,423.01x = 57,858,184.12
  5. Step 5: Solve for x
    x = 57,858,184.12/8,423.01
  6. Step 6: Final answer
    x = 6,869.06

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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.