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Finding the Fourth Proportional to 61,256.94, 91,842.21 and 23,785.80

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Solution

The fourth proportional to 61,256.94, 91,842.21 and 23,785.80 is: 35,661.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,256.94 : 91,842.21 = 23,785.80 : x
  2. Step 2: Convert to fraction form
    61,256.94/91,842.21 = 23,785.80/x
  3. Step 3: Cross multiply
    61,256.94x = 91,842.21 × 23,785.80
  4. Step 4: Simplify right side
    61,256.94x = 2,184,540,438.62
  5. Step 5: Solve for x
    x = 2,184,540,438.62/61,256.94
  6. Step 6: Final answer
    x = 35,661.93

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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.