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Finding the Fourth Proportional to 17,804,939.03, 26,706,907.75 and 5,675,129.49

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Solution

The fourth proportional to 17,804,939.03, 26,706,907.75 and 5,675,129.49 is: 8,512,534.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,804,939.03 : 26,706,907.75 = 5,675,129.49 : x
  2. Step 2: Convert to fraction form
    17,804,939.03/26,706,907.75 = 5,675,129.49/x
  3. Step 3: Cross multiply
    17,804,939.03x = 26,706,907.75 × 5,675,129.49
  4. Step 4: Simplify right side
    17,804,939.03x = 151,565,159,758,734.56
  5. Step 5: Solve for x
    x = 151,565,159,758,734.56/17,804,939.03
  6. Step 6: Final answer
    x = 8,512,534.61

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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.