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Finding the Fourth Proportional to 64,668.27, 97,017.01 and 19,693.65

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Solution

The fourth proportional to 64,668.27, 97,017.01 and 19,693.65 is: 29,544.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,668.27 : 97,017.01 = 19,693.65 : x
  2. Step 2: Convert to fraction form
    64,668.27/97,017.01 = 19,693.65/x
  3. Step 3: Cross multiply
    64,668.27x = 97,017.01 × 19,693.65
  4. Step 4: Simplify right side
    64,668.27x = 1,910,619,353.57
  5. Step 5: Solve for x
    x = 1,910,619,353.57/64,668.27
  6. Step 6: Final answer
    x = 29,544.93

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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.