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Finding the Fourth Proportional to 4,997,083.86, 6,895,978.02 and 2,705,244.48

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Solution

The fourth proportional to 4,997,083.86, 6,895,978.02 and 2,705,244.48 is: 3,733,238.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,997,083.86 : 6,895,978.02 = 2,705,244.48 : x
  2. Step 2: Convert to fraction form
    4,997,083.86/6,895,978.02 = 2,705,244.48/x
  3. Step 3: Cross multiply
    4,997,083.86x = 6,895,978.02 × 2,705,244.48
  4. Step 4: Simplify right side
    4,997,083.86x = 18,655,306,472,806.33
  5. Step 5: Solve for x
    x = 18,655,306,472,806.33/4,997,083.86
  6. Step 6: Final answer
    x = 3,733,238.62

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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.