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Finding the Fourth Proportional to 61,151.64, 84,390.10 and 36,949.24

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Solution

The fourth proportional to 61,151.64, 84,390.10 and 36,949.24 is: 50,990.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,151.64 : 84,390.10 = 36,949.24 : x
  2. Step 2: Convert to fraction form
    61,151.64/84,390.10 = 36,949.24/x
  3. Step 3: Cross multiply
    61,151.64x = 84,390.10 × 36,949.24
  4. Step 4: Simplify right side
    61,151.64x = 3,118,150,058.52
  5. Step 5: Solve for x
    x = 3,118,150,058.52/61,151.64
  6. Step 6: Final answer
    x = 50,990.46

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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.