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Finding the Fourth Proportional to 1,973.99, 2,960.99 and 804.01

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Solution

The fourth proportional to 1,973.99, 2,960.99 and 804.01 is: 1,206.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973.99 : 2,960.99 = 804.01 : x
  2. Step 2: Convert to fraction form
    1,973.99/2,960.99 = 804.01/x
  3. Step 3: Cross multiply
    1,973.99x = 2,960.99 × 804.01
  4. Step 4: Simplify right side
    1,973.99x = 2,380,665.57
  5. Step 5: Solve for x
    x = 2,380,665.57/1,973.99
  6. Step 6: Final answer
    x = 1,206.02

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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.