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Finding the Fourth Proportional to 1,546.38, 2,133.36 and 883.08

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Solution

The fourth proportional to 1,546.38, 2,133.36 and 883.08 is: 1,218.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,546.38 : 2,133.36 = 883.08 : x
  2. Step 2: Convert to fraction form
    1,546.38/2,133.36 = 883.08/x
  3. Step 3: Cross multiply
    1,546.38x = 2,133.36 × 883.08
  4. Step 4: Simplify right side
    1,546.38x = 1,883,927.55
  5. Step 5: Solve for x
    x = 1,883,927.55/1,546.38
  6. Step 6: Final answer
    x = 1,218.28

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1.5x scale

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.