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Finding the Fourth Proportional to 37,442.70, 56,046.60 and 20,552.58

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Solution

The fourth proportional to 37,442.70, 56,046.60 and 20,552.58 is: 30,764.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,442.70 : 56,046.60 = 20,552.58 : x
  2. Step 2: Convert to fraction form
    37,442.70/56,046.60 = 20,552.58/x
  3. Step 3: Cross multiply
    37,442.70x = 56,046.60 × 20,552.58
  4. Step 4: Simplify right side
    37,442.70x = 1,151,902,230.23
  5. Step 5: Solve for x
    x = 1,151,902,230.23/37,442.70
  6. Step 6: Final answer
    x = 30,764.40

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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.