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Finding the Fourth Proportional to 61,305.28, 91,892.48 and 34,953.28

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Solution

The fourth proportional to 61,305.28, 91,892.48 and 34,953.28 is: 52,392.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,305.28 : 91,892.48 = 34,953.28 : x
  2. Step 2: Convert to fraction form
    61,305.28/91,892.48 = 34,953.28/x
  3. Step 3: Cross multiply
    61,305.28x = 91,892.48 × 34,953.28
  4. Step 4: Simplify right side
    61,305.28x = 3,211,943,583.33
  5. Step 5: Solve for x
    x = 3,211,943,583.33/61,305.28
  6. Step 6: Final answer
    x = 52,392.61

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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.