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Finding the Fourth Proportional to 18,576,019.10, 27,864,028.65 and 16,591,972.70

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Solution

The fourth proportional to 18,576,019.10, 27,864,028.65 and 16,591,972.70 is: 24,887,959.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,576,019.10 : 27,864,028.65 = 16,591,972.70 : x
  2. Step 2: Convert to fraction form
    18,576,019.10/27,864,028.65 = 16,591,972.70/x
  3. Step 3: Cross multiply
    18,576,019.10x = 27,864,028.65 × 16,591,972.70
  4. Step 4: Simplify right side
    18,576,019.10x = 462,319,202,672,817.81
  5. Step 5: Solve for x
    x = 462,319,202,672,817.81/18,576,019.10
  6. Step 6: Final answer
    x = 24,887,959.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.