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Finding the Fourth Proportional to 52,508.49, 72,458.87 and 30,152.49

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Solution

The fourth proportional to 52,508.49, 72,458.87 and 30,152.49 is: 41,608.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,508.49 : 72,458.87 = 30,152.49 : x
  2. Step 2: Convert to fraction form
    52,508.49/72,458.87 = 30,152.49/x
  3. Step 3: Cross multiply
    52,508.49x = 72,458.87 × 30,152.49
  4. Step 4: Simplify right side
    52,508.49x = 2,184,815,202.32
  5. Step 5: Solve for x
    x = 2,184,815,202.32/52,508.49
  6. Step 6: Final answer
    x = 41,608.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.