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Finding the Fourth Proportional to 1,467.28, 2,024.92 and 804.16

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Solution

The fourth proportional to 1,467.28, 2,024.92 and 804.16 is: 1,109.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467.28 : 2,024.92 = 804.16 : x
  2. Step 2: Convert to fraction form
    1,467.28/2,024.92 = 804.16/x
  3. Step 3: Cross multiply
    1,467.28x = 2,024.92 × 804.16
  4. Step 4: Simplify right side
    1,467.28x = 1,628,359.67
  5. Step 5: Solve for x
    x = 1,628,359.67/1,467.28
  6. Step 6: Final answer
    x = 1,109.78

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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.