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Finding the Fourth Proportional to 5,757,486.88, 8,639,219.22 and 2,348,274.64

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Solution

The fourth proportional to 5,757,486.88, 8,639,219.22 and 2,348,274.64 is: 3,523,631.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,757,486.88 : 8,639,219.22 = 2,348,274.64 : x
  2. Step 2: Convert to fraction form
    5,757,486.88/8,639,219.22 = 2,348,274.64/x
  3. Step 3: Cross multiply
    5,757,486.88x = 8,639,219.22 × 2,348,274.64
  4. Step 4: Simplify right side
    5,757,486.88x = 20,287,259,403,726.58
  5. Step 5: Solve for x
    x = 20,287,259,403,726.58/5,757,486.88
  6. Step 6: Final answer
    x = 3,523,631.03

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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.