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Finding the Fourth Proportional to 64,791.68, 97,189.05 and 17,406.83

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Solution

The fourth proportional to 64,791.68, 97,189.05 and 17,406.83 is: 26,110.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,791.68 : 97,189.05 = 17,406.83 : x
  2. Step 2: Convert to fraction form
    64,791.68/97,189.05 = 17,406.83/x
  3. Step 3: Cross multiply
    64,791.68x = 97,189.05 × 17,406.83
  4. Step 4: Simplify right side
    64,791.68x = 1,691,752,785.27
  5. Step 5: Solve for x
    x = 1,691,752,785.27/64,791.68
  6. Step 6: Final answer
    x = 26,110.65

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1.5x scale

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.