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Finding the Fourth Proportional to 64,477.60, 96,716.40 and 17,092.60

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Solution

The fourth proportional to 64,477.60, 96,716.40 and 17,092.60 is: 25,638.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,477.60 : 96,716.40 = 17,092.60 : x
  2. Step 2: Convert to fraction form
    64,477.60/96,716.40 = 17,092.60/x
  3. Step 3: Cross multiply
    64,477.60x = 96,716.40 × 17,092.60
  4. Step 4: Simplify right side
    64,477.60x = 1,653,134,738.64
  5. Step 5: Solve for x
    x = 1,653,134,738.64/64,477.60
  6. Step 6: Final answer
    x = 25,638.90

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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.