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Finding the Fourth Proportional to 61,222.80, 91,798.54 and 23,739.10

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Solution

The fourth proportional to 61,222.80, 91,798.54 and 23,739.10 is: 35,594.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,222.80 : 91,798.54 = 23,739.10 : x
  2. Step 2: Convert to fraction form
    61,222.80/91,798.54 = 23,739.10/x
  3. Step 3: Cross multiply
    61,222.80x = 91,798.54 × 23,739.10
  4. Step 4: Simplify right side
    61,222.80x = 2,179,214,720.91
  5. Step 5: Solve for x
    x = 2,179,214,720.91/61,222.80
  6. Step 6: Final answer
    x = 35,594.82

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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.