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Finding the Fourth Proportional to 51,832.40, 77,748.60 and 22,245.20

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Solution

The fourth proportional to 51,832.40, 77,748.60 and 22,245.20 is: 33,367.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,832.40 : 77,748.60 = 22,245.20 : x
  2. Step 2: Convert to fraction form
    51,832.40/77,748.60 = 22,245.20/x
  3. Step 3: Cross multiply
    51,832.40x = 77,748.60 × 22,245.20
  4. Step 4: Simplify right side
    51,832.40x = 1,729,533,156.72
  5. Step 5: Solve for x
    x = 1,729,533,156.72/51,832.40
  6. Step 6: Final answer
    x = 33,367.80

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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.