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Finding the Fourth Proportional to 43,058.52, 64,580.49 and 11,893.77

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Solution

The fourth proportional to 43,058.52, 64,580.49 and 11,893.77 is: 17,838.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,058.52 : 64,580.49 = 11,893.77 : x
  2. Step 2: Convert to fraction form
    43,058.52/64,580.49 = 11,893.77/x
  3. Step 3: Cross multiply
    43,058.52x = 64,580.49 × 11,893.77
  4. Step 4: Simplify right side
    43,058.52x = 768,105,494.55
  5. Step 5: Solve for x
    x = 768,105,494.55/43,058.52
  6. Step 6: Final answer
    x = 17,838.64

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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.