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Finding the Fourth Proportional to 6,803,253.96, 9,388,490.98 and 3,747,468.21

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Solution

The fourth proportional to 6,803,253.96, 9,388,490.98 and 3,747,468.21 is: 5,171,506.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,803,253.96 : 9,388,490.98 = 3,747,468.21 : x
  2. Step 2: Convert to fraction form
    6,803,253.96/9,388,490.98 = 3,747,468.21/x
  3. Step 3: Cross multiply
    6,803,253.96x = 9,388,490.98 × 3,747,468.21
  4. Step 4: Simplify right side
    6,803,253.96x = 35,183,071,487,421.75
  5. Step 5: Solve for x
    x = 35,183,071,487,421.75/6,803,253.96
  6. Step 6: Final answer
    x = 5,171,506.41

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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.