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Finding the Fourth Proportional to 64,863.63, 97,305.62 and 17,480.57

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Solution

The fourth proportional to 64,863.63, 97,305.62 and 17,480.57 is: 26,223.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,863.63 : 97,305.62 = 17,480.57 : x
  2. Step 2: Convert to fraction form
    64,863.63/97,305.62 = 17,480.57/x
  3. Step 3: Cross multiply
    64,863.63x = 97,305.62 × 17,480.57
  4. Step 4: Simplify right side
    64,863.63x = 1,700,957,127.87
  5. Step 5: Solve for x
    x = 1,700,957,127.87/64,863.63
  6. Step 6: Final answer
    x = 26,223.59

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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.