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Finding the Fourth Proportional to 9,906,953.22, 13,671,694.44 and 5,555,946.11

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Solution

The fourth proportional to 9,906,953.22, 13,671,694.44 and 5,555,946.11 is: 7,667,261.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,906,953.22 : 13,671,694.44 = 5,555,946.11 : x
  2. Step 2: Convert to fraction form
    9,906,953.22/13,671,694.44 = 5,555,946.11/x
  3. Step 3: Cross multiply
    9,906,953.22x = 13,671,694.44 × 5,555,946.11
  4. Step 4: Simplify right side
    9,906,953.22x = 75,959,197,472,668.16
  5. Step 5: Solve for x
    x = 75,959,197,472,668.16/9,906,953.22
  6. Step 6: Final answer
    x = 7,667,261.14

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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.