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Finding the Fourth Proportional to 5,269.26, 7,905.10 and 1,806.50

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Solution

The fourth proportional to 5,269.26, 7,905.10 and 1,806.50 is: 2,710.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.26 : 7,905.10 = 1,806.50 : x
  2. Step 2: Convert to fraction form
    5,269.26/7,905.10 = 1,806.50/x
  3. Step 3: Cross multiply
    5,269.26x = 7,905.10 × 1,806.50
  4. Step 4: Simplify right side
    5,269.26x = 14,280,563.15
  5. Step 5: Solve for x
    x = 14,280,563.15/5,269.26
  6. Step 6: Final answer
    x = 2,710.16

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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.