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Finding the Fourth Proportional to 14,652,027.80, 21,978,041.70 and 11,817,675.80

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Solution

The fourth proportional to 14,652,027.80, 21,978,041.70 and 11,817,675.80 is: 17,726,513.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,652,027.80 : 21,978,041.70 = 11,817,675.80 : x
  2. Step 2: Convert to fraction form
    14,652,027.80/21,978,041.70 = 11,817,675.80/x
  3. Step 3: Cross multiply
    14,652,027.80x = 21,978,041.70 × 11,817,675.80
  4. Step 4: Simplify right side
    14,652,027.80x = 259,729,371,529,480.88
  5. Step 5: Solve for x
    x = 259,729,371,529,480.88/14,652,027.80
  6. Step 6: Final answer
    x = 17,726,513.70

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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.