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Finding the Fourth Proportional to 14,671,171.37, 21,978,129.21 and 9,607,129.13

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Solution

The fourth proportional to 14,671,171.37, 21,978,129.21 and 9,607,129.13 is: 14,391,947.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,671,171.37 : 21,978,129.21 = 9,607,129.13 : x
  2. Step 2: Convert to fraction form
    14,671,171.37/21,978,129.21 = 9,607,129.13/x
  3. Step 3: Cross multiply
    14,671,171.37x = 21,978,129.21 × 9,607,129.13
  4. Step 4: Simplify right side
    14,671,171.37x = 211,146,725,246,404.25
  5. Step 5: Solve for x
    x = 211,146,725,246,404.25/14,671,171.37
  6. Step 6: Final answer
    x = 14,391,947.31

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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.