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Finding the Fourth Proportional to 6,453,193.07, 9,679,723.53 and 1,660,863.71

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Solution

The fourth proportional to 6,453,193.07, 9,679,723.53 and 1,660,863.71 is: 2,491,278.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453,193.07 : 9,679,723.53 = 1,660,863.71 : x
  2. Step 2: Convert to fraction form
    6,453,193.07/9,679,723.53 = 1,660,863.71/x
  3. Step 3: Cross multiply
    6,453,193.07x = 9,679,723.53 × 1,660,863.71
  4. Step 4: Simplify right side
    6,453,193.07x = 16,076,701,485,411.48
  5. Step 5: Solve for x
    x = 16,076,701,485,411.48/6,453,193.07
  6. Step 6: Final answer
    x = 2,491,278.55

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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.