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Finding the Fourth Proportional to 61,268.16, 91,907.92 and 23,831.09

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Solution

The fourth proportional to 61,268.16, 91,907.92 and 23,831.09 is: 35,748.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,268.16 : 91,907.92 = 23,831.09 : x
  2. Step 2: Convert to fraction form
    61,268.16/91,907.92 = 23,831.09/x
  3. Step 3: Cross multiply
    61,268.16x = 91,907.92 × 23,831.09
  4. Step 4: Simplify right side
    61,268.16x = 2,190,265,453.69
  5. Step 5: Solve for x
    x = 2,190,265,453.69/61,268.16
  6. Step 6: Final answer
    x = 35,748.84

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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.