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Finding the Fourth Proportional to 18,009,918.24, 27,025,636.61 and 16,544,663.88

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Solution

The fourth proportional to 18,009,918.24, 27,025,636.61 and 16,544,663.88 is: 24,826,879.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,009,918.24 : 27,025,636.61 = 16,544,663.88 : x
  2. Step 2: Convert to fraction form
    18,009,918.24/27,025,636.61 = 16,544,663.88/x
  3. Step 3: Cross multiply
    18,009,918.24x = 27,025,636.61 × 16,544,663.88
  4. Step 4: Simplify right side
    18,009,918.24x = 447,130,073,855,472.69
  5. Step 5: Solve for x
    x = 447,130,073,855,472.69/18,009,918.24
  6. Step 6: Final answer
    x = 24,826,879.72

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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.