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Finding the Fourth Proportional to 1,334, 1,841.24 and 966.64

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Solution

The fourth proportional to 1,334, 1,841.24 and 966.64 is: 1,334.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334 : 1,841.24 = 966.64 : x
  2. Step 2: Convert to fraction form
    1,334/1,841.24 = 966.64/x
  3. Step 3: Cross multiply
    1,334x = 1,841.24 × 966.64
  4. Step 4: Simplify right side
    1,334x = 1,779,816.23
  5. Step 5: Solve for x
    x = 1,779,816.23/1,334
  6. Step 6: Final answer
    x = 1,334.20

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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.