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Finding the Fourth Proportional to 1,969.61, 2,718.03 and 1,467.71

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Solution

The fourth proportional to 1,969.61, 2,718.03 and 1,467.71 is: 2,025.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969.61 : 2,718.03 = 1,467.71 : x
  2. Step 2: Convert to fraction form
    1,969.61/2,718.03 = 1,467.71/x
  3. Step 3: Cross multiply
    1,969.61x = 2,718.03 × 1,467.71
  4. Step 4: Simplify right side
    1,969.61x = 3,989,266.22
  5. Step 5: Solve for x
    x = 3,989,266.22/1,969.61
  6. Step 6: Final answer
    x = 2,025.41

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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.