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Finding the Fourth Proportional to 6,886,352.04, 9,503,238.60 and 3,788,916

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Solution

The fourth proportional to 6,886,352.04, 9,503,238.60 and 3,788,916 is: 5,228,744.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,886,352.04 : 9,503,238.60 = 3,788,916 : x
  2. Step 2: Convert to fraction form
    6,886,352.04/9,503,238.60 = 3,788,916/x
  3. Step 3: Cross multiply
    6,886,352.04x = 9,503,238.60 × 3,788,916
  4. Step 4: Simplify right side
    6,886,352.04x = 36,006,972,783,357.60
  5. Step 5: Solve for x
    x = 36,006,972,783,357.60/6,886,352.04
  6. Step 6: Final answer
    x = 5,228,744.13

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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.