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Finding the Fourth Proportional to 6,644,405.85, 9,308,466.75 and 6,644,405.85

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Solution

The fourth proportional to 6,644,405.85, 9,308,466.75 and 6,644,405.85 is: 9,308,466.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,644,405.85 : 9,308,466.75 = 6,644,405.85 : x
  2. Step 2: Convert to fraction form
    6,644,405.85/9,308,466.75 = 6,644,405.85/x
  3. Step 3: Cross multiply
    6,644,405.85x = 9,308,466.75 × 6,644,405.85
  4. Step 4: Simplify right side
    6,644,405.85x = 61,849,230,928,230.48
  5. Step 5: Solve for x
    x = 61,849,230,928,230.48/6,644,405.85
  6. Step 6: Final answer
    x = 9,308,466.75

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.