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Finding the Fourth Proportional to 51,573.93, 77,229.60 and 33,990.45

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Solution

The fourth proportional to 51,573.93, 77,229.60 and 33,990.45 is: 50,899.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,573.93 : 77,229.60 = 33,990.45 : x
  2. Step 2: Convert to fraction form
    51,573.93/77,229.60 = 33,990.45/x
  3. Step 3: Cross multiply
    51,573.93x = 77,229.60 × 33,990.45
  4. Step 4: Simplify right side
    51,573.93x = 2,625,068,857.32
  5. Step 5: Solve for x
    x = 2,625,068,857.32/51,573.93
  6. Step 6: Final answer
    x = 50,899.14

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Double scale
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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.