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Finding the Fourth Proportional to 64,914.90, 97,299.45 and 27,468.60

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Solution

The fourth proportional to 64,914.90, 97,299.45 and 27,468.60 is: 41,172.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,914.90 : 97,299.45 = 27,468.60 : x
  2. Step 2: Convert to fraction form
    64,914.90/97,299.45 = 27,468.60/x
  3. Step 3: Cross multiply
    64,914.90x = 97,299.45 × 27,468.60
  4. Step 4: Simplify right side
    64,914.90x = 2,672,679,672.27
  5. Step 5: Solve for x
    x = 2,672,679,672.27/64,914.90
  6. Step 6: Final answer
    x = 41,172.05

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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.