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Finding the Fourth Proportional to 64,978.41, 97,409.28 and 23,396.25

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Solution

The fourth proportional to 64,978.41, 97,409.28 and 23,396.25 is: 35,073.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,978.41 : 97,409.28 = 23,396.25 : x
  2. Step 2: Convert to fraction form
    64,978.41/97,409.28 = 23,396.25/x
  3. Step 3: Cross multiply
    64,978.41x = 97,409.28 × 23,396.25
  4. Step 4: Simplify right side
    64,978.41x = 2,279,011,867.20
  5. Step 5: Solve for x
    x = 2,279,011,867.20/64,978.41
  6. Step 6: Final answer
    x = 35,073.37

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.