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Finding the Fourth Proportional to 61,374.01, 91,889.60 and 33,193.10

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Solution

The fourth proportional to 61,374.01, 91,889.60 and 33,193.10 is: 49,696.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,374.01 : 91,889.60 = 33,193.10 : x
  2. Step 2: Convert to fraction form
    61,374.01/91,889.60 = 33,193.10/x
  3. Step 3: Cross multiply
    61,374.01x = 91,889.60 × 33,193.10
  4. Step 4: Simplify right side
    61,374.01x = 3,050,100,681.76
  5. Step 5: Solve for x
    x = 3,050,100,681.76/61,374.01
  6. Step 6: Final answer
    x = 49,696.94

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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.