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Finding the Fourth Proportional to 1,467.18, 2,025 and 943.92

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Solution

The fourth proportional to 1,467.18, 2,025 and 943.92 is: 1,302.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467.18 : 2,025 = 943.92 : x
  2. Step 2: Convert to fraction form
    1,467.18/2,025 = 943.92/x
  3. Step 3: Cross multiply
    1,467.18x = 2,025 × 943.92
  4. Step 4: Simplify right side
    1,467.18x = 1,911,438
  5. Step 5: Solve for x
    x = 1,911,438/1,467.18
  6. Step 6: Final answer
    x = 1,302.80

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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.