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Finding the Fourth Proportional to 61,023.36, 91,544.40 and 25,953.60

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Solution

The fourth proportional to 61,023.36, 91,544.40 and 25,953.60 is: 38,934.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,023.36 : 91,544.40 = 25,953.60 : x
  2. Step 2: Convert to fraction form
    61,023.36/91,544.40 = 25,953.60/x
  3. Step 3: Cross multiply
    61,023.36x = 91,544.40 × 25,953.60
  4. Step 4: Simplify right side
    61,023.36x = 2,375,906,739.84
  5. Step 5: Solve for x
    x = 2,375,906,739.84/61,023.36
  6. Step 6: Final answer
    x = 38,934.38

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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.