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Finding the Fourth Proportional to 8,361,617.84, 12,543,673.08 and 2,969,815.28

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Solution

The fourth proportional to 8,361,617.84, 12,543,673.08 and 2,969,815.28 is: 4,455,165.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,361,617.84 : 12,543,673.08 = 2,969,815.28 : x
  2. Step 2: Convert to fraction form
    8,361,617.84/12,543,673.08 = 2,969,815.28/x
  3. Step 3: Cross multiply
    8,361,617.84x = 12,543,673.08 × 2,969,815.28
  4. Step 4: Simplify right side
    8,361,617.84x = 37,252,391,980,308.66
  5. Step 5: Solve for x
    x = 37,252,391,980,308.66/8,361,617.84
  6. Step 6: Final answer
    x = 4,455,165.58

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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.