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Finding the Fourth Proportional to 14,671,169.87, 21,978,126.97 and 9,607,127.63

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Solution

The fourth proportional to 14,671,169.87, 21,978,126.97 and 9,607,127.63 is: 14,391,945.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,671,169.87 : 21,978,126.97 = 9,607,127.63 : x
  2. Step 2: Convert to fraction form
    14,671,169.87/21,978,126.97 = 9,607,127.63/x
  3. Step 3: Cross multiply
    14,671,169.87x = 21,978,126.97 × 9,607,127.63
  4. Step 4: Simplify right side
    14,671,169.87x = 211,146,670,735,226.75
  5. Step 5: Solve for x
    x = 211,146,670,735,226.75/14,671,169.87
  6. Step 6: Final answer
    x = 14,391,945.06

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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.