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Finding the Fourth Proportional to 1,546.17, 2,133.71 and 883

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Solution

The fourth proportional to 1,546.17, 2,133.71 and 883 is: 1,218.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,546.17 : 2,133.71 = 883 : x
  2. Step 2: Convert to fraction form
    1,546.17/2,133.71 = 883/x
  3. Step 3: Cross multiply
    1,546.17x = 2,133.71 × 883
  4. Step 4: Simplify right side
    1,546.17x = 1,884,065.93
  5. Step 5: Solve for x
    x = 1,884,065.93/1,546.17
  6. Step 6: Final answer
    x = 1,218.54

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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.