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Finding the Fourth Proportional to 64,765.74, 97,161.70 and 27,325.90

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Solution

The fourth proportional to 64,765.74, 97,161.70 and 27,325.90 is: 40,994.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,765.74 : 97,161.70 = 27,325.90 : x
  2. Step 2: Convert to fraction form
    64,765.74/97,161.70 = 27,325.90/x
  3. Step 3: Cross multiply
    64,765.74x = 97,161.70 × 27,325.90
  4. Step 4: Simplify right side
    64,765.74x = 2,655,030,761.40
  5. Step 5: Solve for x
    x = 2,655,030,761.40/64,765.74
  6. Step 6: Final answer
    x = 40,994.37

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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.