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Finding the Fourth Proportional to 4,615.70, 6,369.90 and 2,626.54

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Solution

The fourth proportional to 4,615.70, 6,369.90 and 2,626.54 is: 3,624.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,615.70 : 6,369.90 = 2,626.54 : x
  2. Step 2: Convert to fraction form
    4,615.70/6,369.90 = 2,626.54/x
  3. Step 3: Cross multiply
    4,615.70x = 6,369.90 × 2,626.54
  4. Step 4: Simplify right side
    4,615.70x = 16,730,752.16
  5. Step 5: Solve for x
    x = 16,730,752.16/4,615.70
  6. Step 6: Final answer
    x = 3,624.75

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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.