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Finding the Fourth Proportional to 29,081,788.88, 43,622,787 and 8,886,946.64

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Solution

The fourth proportional to 29,081,788.88, 43,622,787 and 8,886,946.64 is: 13,330,451.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,081,788.88 : 43,622,787 = 8,886,946.64 : x
  2. Step 2: Convert to fraction form
    29,081,788.88/43,622,787 = 8,886,946.64/x
  3. Step 3: Cross multiply
    29,081,788.88x = 43,622,787 × 8,886,946.64
  4. Step 4: Simplify right side
    29,081,788.88x = 387,673,380,357,085.69
  5. Step 5: Solve for x
    x = 387,673,380,357,085.69/29,081,788.88
  6. Step 6: Final answer
    x = 13,330,451.64

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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.