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Finding the Fourth Proportional to 61,090.26, 91,510.08 and 36,054.54

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Solution

The fourth proportional to 61,090.26, 91,510.08 and 36,054.54 is: 54,007.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,090.26 : 91,510.08 = 36,054.54 : x
  2. Step 2: Convert to fraction form
    61,090.26/91,510.08 = 36,054.54/x
  3. Step 3: Cross multiply
    61,090.26x = 91,510.08 × 36,054.54
  4. Step 4: Simplify right side
    61,090.26x = 3,299,353,839.76
  5. Step 5: Solve for x
    x = 3,299,353,839.76/61,090.26
  6. Step 6: Final answer
    x = 54,007.85

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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.