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Finding the Fourth Proportional to 6,679,487.81, 9,217,696.52 and 3,623,701.25

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Solution

The fourth proportional to 6,679,487.81, 9,217,696.52 and 3,623,701.25 is: 5,000,709.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679,487.81 : 9,217,696.52 = 3,623,701.25 : x
  2. Step 2: Convert to fraction form
    6,679,487.81/9,217,696.52 = 3,623,701.25/x
  3. Step 3: Cross multiply
    6,679,487.81x = 9,217,696.52 × 3,623,701.25
  4. Step 4: Simplify right side
    6,679,487.81x = 33,402,178,401,644.65
  5. Step 5: Solve for x
    x = 33,402,178,401,644.65/6,679,487.81
  6. Step 6: Final answer
    x = 5,000,709.54

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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.