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Finding the Fourth Proportional to 64,761.82, 97,148.22 and 18,014.70

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Solution

The fourth proportional to 64,761.82, 97,148.22 and 18,014.70 is: 27,023.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,761.82 : 97,148.22 = 18,014.70 : x
  2. Step 2: Convert to fraction form
    64,761.82/97,148.22 = 18,014.70/x
  3. Step 3: Cross multiply
    64,761.82x = 97,148.22 × 18,014.70
  4. Step 4: Simplify right side
    64,761.82x = 1,750,096,038.83
  5. Step 5: Solve for x
    x = 1,750,096,038.83/64,761.82
  6. Step 6: Final answer
    x = 27,023.58

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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.