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Finding the Fourth Proportional to 6,693,608.40, 9,237,251.16 and 3,637,822.80

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Solution

The fourth proportional to 6,693,608.40, 9,237,251.16 and 3,637,822.80 is: 5,020,234.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,693,608.40 : 9,237,251.16 = 3,637,822.80 : x
  2. Step 2: Convert to fraction form
    6,693,608.40/9,237,251.16 = 3,637,822.80/x
  3. Step 3: Cross multiply
    6,693,608.40x = 9,237,251.16 × 3,637,822.80
  4. Step 4: Simplify right side
    6,693,608.40x = 33,603,482,879,174.45
  5. Step 5: Solve for x
    x = 33,603,482,879,174.45/6,693,608.40
  6. Step 6: Final answer
    x = 5,020,234.36

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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.