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Finding the Fourth Proportional to 4,897,892.06, 6,758,918.65 and 2,692,738.82

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Solution

The fourth proportional to 4,897,892.06, 6,758,918.65 and 2,692,738.82 is: 3,715,884.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,897,892.06 : 6,758,918.65 = 2,692,738.82 : x
  2. Step 2: Convert to fraction form
    4,897,892.06/6,758,918.65 = 2,692,738.82/x
  3. Step 3: Cross multiply
    4,897,892.06x = 6,758,918.65 × 2,692,738.82
  4. Step 4: Simplify right side
    4,897,892.06x = 18,200,002,640,242.44
  5. Step 5: Solve for x
    x = 18,200,002,640,242.44/4,897,892.06
  6. Step 6: Final answer
    x = 3,715,884.80

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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.