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Finding the Fourth Proportional to 58,958.80, 81,364.61 and 32,102.78

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Solution

The fourth proportional to 58,958.80, 81,364.61 and 32,102.78 is: 44,302.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,958.80 : 81,364.61 = 32,102.78 : x
  2. Step 2: Convert to fraction form
    58,958.80/81,364.61 = 32,102.78/x
  3. Step 3: Cross multiply
    58,958.80x = 81,364.61 × 32,102.78
  4. Step 4: Simplify right side
    58,958.80x = 2,612,030,444.27
  5. Step 5: Solve for x
    x = 2,612,030,444.27/58,958.80
  6. Step 6: Final answer
    x = 44,302.64

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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.