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Finding the Fourth Proportional to 7,339,905.90, 10,297,125.90 and 7,339,905.90

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Solution

The fourth proportional to 7,339,905.90, 10,297,125.90 and 7,339,905.90 is: 10,297,125.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339,905.90 : 10,297,125.90 = 7,339,905.90 : x
  2. Step 2: Convert to fraction form
    7,339,905.90/10,297,125.90 = 7,339,905.90/x
  3. Step 3: Cross multiply
    7,339,905.90x = 10,297,125.90 × 7,339,905.90
  4. Step 4: Simplify right side
    7,339,905.90x = 75,579,935,146,452.81
  5. Step 5: Solve for x
    x = 75,579,935,146,452.81/7,339,905.90
  6. Step 6: Final answer
    x = 10,297,125.90

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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.