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Finding the Fourth Proportional to 2,535.48, 3,803.19 and 804.12

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Solution

The fourth proportional to 2,535.48, 3,803.19 and 804.12 is: 1,206.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,535.48 : 3,803.19 = 804.12 : x
  2. Step 2: Convert to fraction form
    2,535.48/3,803.19 = 804.12/x
  3. Step 3: Cross multiply
    2,535.48x = 3,803.19 × 804.12
  4. Step 4: Simplify right side
    2,535.48x = 3,058,221.14
  5. Step 5: Solve for x
    x = 3,058,221.14/2,535.48
  6. Step 6: Final answer
    x = 1,206.17

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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.