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Finding the Fourth Proportional to 1,044.84, 1,441.48 and 713.48

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Solution

The fourth proportional to 1,044.84, 1,441.48 and 713.48 is: 984.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.84 : 1,441.48 = 713.48 : x
  2. Step 2: Convert to fraction form
    1,044.84/1,441.48 = 713.48/x
  3. Step 3: Cross multiply
    1,044.84x = 1,441.48 × 713.48
  4. Step 4: Simplify right side
    1,044.84x = 1,028,467.15
  5. Step 5: Solve for x
    x = 1,028,467.15/1,044.84
  6. Step 6: Final answer
    x = 984.33

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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.