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Finding the Fourth Proportional to 69,986, 96,580.68 and 44,840.36

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Solution

The fourth proportional to 69,986, 96,580.68 and 44,840.36 is: 61,879.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,986 : 96,580.68 = 44,840.36 : x
  2. Step 2: Convert to fraction form
    69,986/96,580.68 = 44,840.36/x
  3. Step 3: Cross multiply
    69,986x = 96,580.68 × 44,840.36
  4. Step 4: Simplify right side
    69,986x = 4,330,712,460.24
  5. Step 5: Solve for x
    x = 4,330,712,460.24/69,986
  6. Step 6: Final answer
    x = 61,879.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.