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Finding the Fourth Proportional to 1,467.31, 2,024.84 and 804.15

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Solution

The fourth proportional to 1,467.31, 2,024.84 and 804.15 is: 1,109.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467.31 : 2,024.84 = 804.15 : x
  2. Step 2: Convert to fraction form
    1,467.31/2,024.84 = 804.15/x
  3. Step 3: Cross multiply
    1,467.31x = 2,024.84 × 804.15
  4. Step 4: Simplify right side
    1,467.31x = 1,628,277.10
  5. Step 5: Solve for x
    x = 1,628,277.10/1,467.31
  6. Step 6: Final answer
    x = 1,109.70

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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.