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Finding the Fourth Proportional to 1,932.44, 2,666.74 and 1,048.22

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Solution

The fourth proportional to 1,932.44, 2,666.74 and 1,048.22 is: 1,446.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.44 : 2,666.74 = 1,048.22 : x
  2. Step 2: Convert to fraction form
    1,932.44/2,666.74 = 1,048.22/x
  3. Step 3: Cross multiply
    1,932.44x = 2,666.74 × 1,048.22
  4. Step 4: Simplify right side
    1,932.44x = 2,795,330.20
  5. Step 5: Solve for x
    x = 2,795,330.20/1,932.44
  6. Step 6: Final answer
    x = 1,446.53

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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.