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Finding the Fourth Proportional to 64,769.76, 97,156.53 and 18,022.64

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Solution

The fourth proportional to 64,769.76, 97,156.53 and 18,022.64 is: 27,034.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,769.76 : 97,156.53 = 18,022.64 : x
  2. Step 2: Convert to fraction form
    64,769.76/97,156.53 = 18,022.64/x
  3. Step 3: Cross multiply
    64,769.76x = 97,156.53 × 18,022.64
  4. Step 4: Simplify right side
    64,769.76x = 1,751,016,678.06
  5. Step 5: Solve for x
    x = 1,751,016,678.06/64,769.76
  6. Step 6: Final answer
    x = 27,034.48

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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.