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Finding the Fourth Proportional to 11,370.72, 17,052 and 4,352.70

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Solution

The fourth proportional to 11,370.72, 17,052 and 4,352.70 is: 6,527.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,370.72 : 17,052 = 4,352.70 : x
  2. Step 2: Convert to fraction form
    11,370.72/17,052 = 4,352.70/x
  3. Step 3: Cross multiply
    11,370.72x = 17,052 × 4,352.70
  4. Step 4: Simplify right side
    11,370.72x = 74,222,240.40
  5. Step 5: Solve for x
    x = 74,222,240.40/11,370.72
  6. Step 6: Final answer
    x = 6,527.49

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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.