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Finding the Fourth Proportional to 64,644.21, 96,973.07 and 17,897.09

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Solution

The fourth proportional to 64,644.21, 96,973.07 and 17,897.09 is: 26,847.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,644.21 : 96,973.07 = 17,897.09 : x
  2. Step 2: Convert to fraction form
    64,644.21/96,973.07 = 17,897.09/x
  3. Step 3: Cross multiply
    64,644.21x = 96,973.07 × 17,897.09
  4. Step 4: Simplify right side
    64,644.21x = 1,735,535,187.02
  5. Step 5: Solve for x
    x = 1,735,535,187.02/64,644.21
  6. Step 6: Final answer
    x = 26,847.50

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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.