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Finding the Fourth Proportional to 6,254,889.50, 8,631,689.19 and 3,538,635.50

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Solution

The fourth proportional to 6,254,889.50, 8,631,689.19 and 3,538,635.50 is: 4,883,284.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,254,889.50 : 8,631,689.19 = 3,538,635.50 : x
  2. Step 2: Convert to fraction form
    6,254,889.50/8,631,689.19 = 3,538,635.50/x
  3. Step 3: Cross multiply
    6,254,889.50x = 8,631,689.19 × 3,538,635.50
  4. Step 4: Simplify right side
    6,254,889.50x = 30,544,401,792,700.24
  5. Step 5: Solve for x
    x = 30,544,401,792,700.24/6,254,889.50
  6. Step 6: Final answer
    x = 4,883,284.00

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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.