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Finding the Fourth Proportional to 64,996.70, 97,498.53 and 18,253.22

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Solution

The fourth proportional to 64,996.70, 97,498.53 and 18,253.22 is: 27,380.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,996.70 : 97,498.53 = 18,253.22 : x
  2. Step 2: Convert to fraction form
    64,996.70/97,498.53 = 18,253.22/x
  3. Step 3: Cross multiply
    64,996.70x = 97,498.53 × 18,253.22
  4. Step 4: Simplify right side
    64,996.70x = 1,779,661,630.27
  5. Step 5: Solve for x
    x = 1,779,661,630.27/64,996.70
  6. Step 6: Final answer
    x = 27,380.80

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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.