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Finding the Fourth Proportional to 1,334.93, 1,841.04 and 964.35

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Solution

The fourth proportional to 1,334.93, 1,841.04 and 964.35 is: 1,329.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334.93 : 1,841.04 = 964.35 : x
  2. Step 2: Convert to fraction form
    1,334.93/1,841.04 = 964.35/x
  3. Step 3: Cross multiply
    1,334.93x = 1,841.04 × 964.35
  4. Step 4: Simplify right side
    1,334.93x = 1,775,406.92
  5. Step 5: Solve for x
    x = 1,775,406.92/1,334.93
  6. Step 6: Final answer
    x = 1,329.97

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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.