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Finding the Fourth Proportional to 22,144,491.90, 30,930,544.13 and 22,144,491.90

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Solution

The fourth proportional to 22,144,491.90, 30,930,544.13 and 22,144,491.90 is: 30,930,544.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,144,491.90 : 30,930,544.13 = 22,144,491.90 : x
  2. Step 2: Convert to fraction form
    22,144,491.90/30,930,544.13 = 22,144,491.90/x
  3. Step 3: Cross multiply
    22,144,491.90x = 30,930,544.13 × 22,144,491.90
  4. Step 4: Simplify right side
    22,144,491.90x = 684,941,183,838,655
  5. Step 5: Solve for x
    x = 684,941,183,838,655/22,144,491.90
  6. Step 6: Final answer
    x = 30,930,544.13

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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.