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Finding the Fourth Proportional to 64,910.40, 97,292.70 and 27,464.10

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Solution

The fourth proportional to 64,910.40, 97,292.70 and 27,464.10 is: 41,165.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,910.40 : 97,292.70 = 27,464.10 : x
  2. Step 2: Convert to fraction form
    64,910.40/97,292.70 = 27,464.10/x
  3. Step 3: Cross multiply
    64,910.40x = 97,292.70 × 27,464.10
  4. Step 4: Simplify right side
    64,910.40x = 2,672,056,442.07
  5. Step 5: Solve for x
    x = 2,672,056,442.07/64,910.40
  6. Step 6: Final answer
    x = 41,165.31

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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.