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Finding the Fourth Proportional to 7,383,347.10, 10,311,491.70 and 7,383,347.10

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Solution

The fourth proportional to 7,383,347.10, 10,311,491.70 and 7,383,347.10 is: 10,311,491.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383,347.10 : 10,311,491.70 = 7,383,347.10 : x
  2. Step 2: Convert to fraction form
    7,383,347.10/10,311,491.70 = 7,383,347.10/x
  3. Step 3: Cross multiply
    7,383,347.10x = 10,311,491.70 × 7,383,347.10
  4. Step 4: Simplify right side
    7,383,347.10x = 76,133,322,339,869.06
  5. Step 5: Solve for x
    x = 76,133,322,339,869.06/7,383,347.10
  6. Step 6: Final answer
    x = 10,311,491.70

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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.