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Finding the Fourth Proportional to 64,399.84, 96,588.82 and 17,015.45

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Solution

The fourth proportional to 64,399.84, 96,588.82 and 17,015.45 is: 25,520.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,399.84 : 96,588.82 = 17,015.45 : x
  2. Step 2: Convert to fraction form
    64,399.84/96,588.82 = 17,015.45/x
  3. Step 3: Cross multiply
    64,399.84x = 96,588.82 × 17,015.45
  4. Step 4: Simplify right side
    64,399.84x = 1,643,501,669.25
  5. Step 5: Solve for x
    x = 1,643,501,669.25/64,399.84
  6. Step 6: Final answer
    x = 25,520.28

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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.