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Finding the Fourth Proportional to 56,626.70, 84,940.05 and 28,633.10

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Solution

The fourth proportional to 56,626.70, 84,940.05 and 28,633.10 is: 42,949.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,626.70 : 84,940.05 = 28,633.10 : x
  2. Step 2: Convert to fraction form
    56,626.70/84,940.05 = 28,633.10/x
  3. Step 3: Cross multiply
    56,626.70x = 84,940.05 × 28,633.10
  4. Step 4: Simplify right side
    56,626.70x = 2,432,096,945.66
  5. Step 5: Solve for x
    x = 2,432,096,945.66/56,626.70
  6. Step 6: Final answer
    x = 42,949.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.