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Finding the Fourth Proportional to 1,467.71, 2,025.47 and 804.60

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Solution

The fourth proportional to 1,467.71, 2,025.47 and 804.60 is: 1,110.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467.71 : 2,025.47 = 804.60 : x
  2. Step 2: Convert to fraction form
    1,467.71/2,025.47 = 804.60/x
  3. Step 3: Cross multiply
    1,467.71x = 2,025.47 × 804.60
  4. Step 4: Simplify right side
    1,467.71x = 1,629,695.17
  5. Step 5: Solve for x
    x = 1,629,695.17/1,467.71
  6. Step 6: Final answer
    x = 1,110.37

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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.