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Finding the Fourth Proportional to 64,836.16, 97,264.62 and 27,396.60

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Solution

The fourth proportional to 64,836.16, 97,264.62 and 27,396.60 is: 41,099.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,836.16 : 97,264.62 = 27,396.60 : x
  2. Step 2: Convert to fraction form
    64,836.16/97,264.62 = 27,396.60/x
  3. Step 3: Cross multiply
    64,836.16x = 97,264.62 × 27,396.60
  4. Step 4: Simplify right side
    64,836.16x = 2,664,719,888.29
  5. Step 5: Solve for x
    x = 2,664,719,888.29/64,836.16
  6. Step 6: Final answer
    x = 41,099.29

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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.