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Finding the Fourth Proportional to 7,230,455.73, 9,968,950.20 and 5,293,353.30

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Solution

The fourth proportional to 7,230,455.73, 9,968,950.20 and 5,293,353.30 is: 7,298,181.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,230,455.73 : 9,968,950.20 = 5,293,353.30 : x
  2. Step 2: Convert to fraction form
    7,230,455.73/9,968,950.20 = 5,293,353.30/x
  3. Step 3: Cross multiply
    7,230,455.73x = 9,968,950.20 × 5,293,353.30
  4. Step 4: Simplify right side
    7,230,455.73x = 52,769,175,438,705.66
  5. Step 5: Solve for x
    x = 52,769,175,438,705.66/7,230,455.73
  6. Step 6: Final answer
    x = 7,298,181.11

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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.