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Finding the Fourth Proportional to 11,894,890.77, 17,842,349.93 and 3,259,064.63

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Solution

The fourth proportional to 11,894,890.77, 17,842,349.93 and 3,259,064.63 is: 4,888,600.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,894,890.77 : 17,842,349.93 = 3,259,064.63 : x
  2. Step 2: Convert to fraction form
    11,894,890.77/17,842,349.93 = 3,259,064.63/x
  3. Step 3: Cross multiply
    11,894,890.77x = 17,842,349.93 × 3,259,064.63
  4. Step 4: Simplify right side
    11,894,890.77x = 58,149,371,601,256.52
  5. Step 5: Solve for x
    x = 58,149,371,601,256.52/11,894,890.77
  6. Step 6: Final answer
    x = 4,888,600.72

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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.