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Finding the Fourth Proportional to 1,932.54, 2,666.90 and 1,048.34

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Solution

The fourth proportional to 1,932.54, 2,666.90 and 1,048.34 is: 1,446.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.54 : 2,666.90 = 1,048.34 : x
  2. Step 2: Convert to fraction form
    1,932.54/2,666.90 = 1,048.34/x
  3. Step 3: Cross multiply
    1,932.54x = 2,666.90 × 1,048.34
  4. Step 4: Simplify right side
    1,932.54x = 2,795,799.37
  5. Step 5: Solve for x
    x = 2,795,799.37/1,932.54
  6. Step 6: Final answer
    x = 1,446.70

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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.