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Finding the Fourth Proportional to 60,924.60, 91,310.79 and 29,328.79

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Solution

The fourth proportional to 60,924.60, 91,310.79 and 29,328.79 is: 43,956.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,924.60 : 91,310.79 = 29,328.79 : x
  2. Step 2: Convert to fraction form
    60,924.60/91,310.79 = 29,328.79/x
  3. Step 3: Cross multiply
    60,924.60x = 91,310.79 × 29,328.79
  4. Step 4: Simplify right side
    60,924.60x = 2,678,034,984.64
  5. Step 5: Solve for x
    x = 2,678,034,984.64/60,924.60
  6. Step 6: Final answer
    x = 43,956.55

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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.