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Finding the Fourth Proportional to 33,081,774.40, 49,622,661.60 and 31,593,739.60

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Solution

The fourth proportional to 33,081,774.40, 49,622,661.60 and 31,593,739.60 is: 47,390,609.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,081,774.40 : 49,622,661.60 = 31,593,739.60 : x
  2. Step 2: Convert to fraction form
    33,081,774.40/49,622,661.60 = 31,593,739.60/x
  3. Step 3: Cross multiply
    33,081,774.40x = 49,622,661.60 × 31,593,739.60
  4. Step 4: Simplify right side
    33,081,774.40x = 1,567,765,448,849,319.50
  5. Step 5: Solve for x
    x = 1,567,765,448,849,319.50/33,081,774.40
  6. Step 6: Final answer
    x = 47,390,609.40

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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.