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Finding the Fourth Proportional to 61,025.56, 91,691.70 and 38,848.84

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Solution

The fourth proportional to 61,025.56, 91,691.70 and 38,848.84 is: 58,370.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,025.56 : 91,691.70 = 38,848.84 : x
  2. Step 2: Convert to fraction form
    61,025.56/91,691.70 = 38,848.84/x
  3. Step 3: Cross multiply
    61,025.56x = 91,691.70 × 38,848.84
  4. Step 4: Simplify right side
    61,025.56x = 3,562,116,182.63
  5. Step 5: Solve for x
    x = 3,562,116,182.63/61,025.56
  6. Step 6: Final answer
    x = 58,370.89

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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.