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Finding the Fourth Proportional to 58,991.72, 81,410.03 and 32,135.64

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Solution

The fourth proportional to 58,991.72, 81,410.03 and 32,135.64 is: 44,347.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,991.72 : 81,410.03 = 32,135.64 : x
  2. Step 2: Convert to fraction form
    58,991.72/81,410.03 = 32,135.64/x
  3. Step 3: Cross multiply
    58,991.72x = 81,410.03 × 32,135.64
  4. Step 4: Simplify right side
    58,991.72x = 2,616,163,255.79
  5. Step 5: Solve for x
    x = 2,616,163,255.79/58,991.72
  6. Step 6: Final answer
    x = 44,347.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.