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Finding the Fourth Proportional to 64,761.60, 97,148.88 and 18,014.48

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Solution

The fourth proportional to 64,761.60, 97,148.88 and 18,014.48 is: 27,023.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,761.60 : 97,148.88 = 18,014.48 : x
  2. Step 2: Convert to fraction form
    64,761.60/97,148.88 = 18,014.48/x
  3. Step 3: Cross multiply
    64,761.60x = 97,148.88 × 18,014.48
  4. Step 4: Simplify right side
    64,761.60x = 1,750,086,070.04
  5. Step 5: Solve for x
    x = 1,750,086,070.04/64,761.60
  6. Step 6: Final answer
    x = 27,023.52

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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.