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Finding the Fourth Proportional to 1,483.14, 2,046.80 and 894

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Solution

The fourth proportional to 1,483.14, 2,046.80 and 894 is: 1,233.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.14 : 2,046.80 = 894 : x
  2. Step 2: Convert to fraction form
    1,483.14/2,046.80 = 894/x
  3. Step 3: Cross multiply
    1,483.14x = 2,046.80 × 894
  4. Step 4: Simplify right side
    1,483.14x = 1,829,839.20
  5. Step 5: Solve for x
    x = 1,829,839.20/1,483.14
  6. Step 6: Final answer
    x = 1,233.76

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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.