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Finding the Fourth Proportional to 52,783.41, 79,187.52 and 15,344.30

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Solution

The fourth proportional to 52,783.41, 79,187.52 and 15,344.30 is: 23,020.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,783.41 : 79,187.52 = 15,344.30 : x
  2. Step 2: Convert to fraction form
    52,783.41/79,187.52 = 15,344.30/x
  3. Step 3: Cross multiply
    52,783.41x = 79,187.52 × 15,344.30
  4. Step 4: Simplify right side
    52,783.41x = 1,215,077,318.65
  5. Step 5: Solve for x
    x = 1,215,077,318.65/52,783.41
  6. Step 6: Final answer
    x = 23,020.06

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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.