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Finding the Fourth Proportional to 6,633,877.65, 9,950,871.86 and 1,841,940.60

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Solution

The fourth proportional to 6,633,877.65, 9,950,871.86 and 1,841,940.60 is: 2,762,926.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,633,877.65 : 9,950,871.86 = 1,841,940.60 : x
  2. Step 2: Convert to fraction form
    6,633,877.65/9,950,871.86 = 1,841,940.60/x
  3. Step 3: Cross multiply
    6,633,877.65x = 9,950,871.86 × 1,841,940.60
  4. Step 4: Simplify right side
    6,633,877.65x = 18,328,914,913,813.55
  5. Step 5: Solve for x
    x = 18,328,914,913,813.55/6,633,877.65
  6. Step 6: Final answer
    x = 2,762,926.28

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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.