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Finding the Fourth Proportional to 56,213.76, 84,295.90 and 29,912.25

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Solution

The fourth proportional to 56,213.76, 84,295.90 and 29,912.25 is: 44,855.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,213.76 : 84,295.90 = 29,912.25 : x
  2. Step 2: Convert to fraction form
    56,213.76/84,295.90 = 29,912.25/x
  3. Step 3: Cross multiply
    56,213.76x = 84,295.90 × 29,912.25
  4. Step 4: Simplify right side
    56,213.76x = 2,521,480,034.78
  5. Step 5: Solve for x
    x = 2,521,480,034.78/56,213.76
  6. Step 6: Final answer
    x = 44,855.21

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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.