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Finding the Fourth Proportional to 64,554.60, 96,824.19 and 17,173.16

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Solution

The fourth proportional to 64,554.60, 96,824.19 and 17,173.16 is: 25,757.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,554.60 : 96,824.19 = 17,173.16 : x
  2. Step 2: Convert to fraction form
    64,554.60/96,824.19 = 17,173.16/x
  3. Step 3: Cross multiply
    64,554.60x = 96,824.19 × 17,173.16
  4. Step 4: Simplify right side
    64,554.60x = 1,662,777,649.85
  5. Step 5: Solve for x
    x = 1,662,777,649.85/64,554.60
  6. Step 6: Final answer
    x = 25,757.70

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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.