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Finding the Fourth Proportional to 3,899,237.59, 5,379,641.00 and 2,245,349.17

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Solution

The fourth proportional to 3,899,237.59, 5,379,641.00 and 2,245,349.17 is: 3,097,829.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899,237.59 : 5,379,641.00 = 2,245,349.17 : x
  2. Step 2: Convert to fraction form
    3,899,237.59/5,379,641.00 = 2,245,349.17/x
  3. Step 3: Cross multiply
    3,899,237.59x = 5,379,641.00 × 2,245,349.17
  4. Step 4: Simplify right side
    3,899,237.59x = 12,079,172,458,165.84
  5. Step 5: Solve for x
    x = 12,079,172,458,165.84/3,899,237.59
  6. Step 6: Final answer
    x = 3,097,829.30

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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.