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Finding the Fourth Proportional to 7,804.00, 10,769.52 and 4,267.21

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Solution

The fourth proportional to 7,804.00, 10,769.52 and 4,267.21 is: 5,888.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,804.00 : 10,769.52 = 4,267.21 : x
  2. Step 2: Convert to fraction form
    7,804.00/10,769.52 = 4,267.21/x
  3. Step 3: Cross multiply
    7,804.00x = 10,769.52 × 4,267.21
  4. Step 4: Simplify right side
    7,804.00x = 45,955,846.07
  5. Step 5: Solve for x
    x = 45,955,846.07/7,804.00
  6. Step 6: Final answer
    x = 5,888.75

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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.