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Finding the Fourth Proportional to 7,804.09, 10,769.87 and 4,267.49

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Solution

The fourth proportional to 7,804.09, 10,769.87 and 4,267.49 is: 5,889.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,804.09 : 10,769.87 = 4,267.49 : x
  2. Step 2: Convert to fraction form
    7,804.09/10,769.87 = 4,267.49/x
  3. Step 3: Cross multiply
    7,804.09x = 10,769.87 × 4,267.49
  4. Step 4: Simplify right side
    7,804.09x = 45,960,312.53
  5. Step 5: Solve for x
    x = 45,960,312.53/7,804.09
  6. Step 6: Final answer
    x = 5,889.26

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1.5x scale

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.