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Finding the Fourth Proportional to 1,050.84, 1,449.36 and 952.56

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Solution

The fourth proportional to 1,050.84, 1,449.36 and 952.56 is: 1,313.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.84 : 1,449.36 = 952.56 : x
  2. Step 2: Convert to fraction form
    1,050.84/1,449.36 = 952.56/x
  3. Step 3: Cross multiply
    1,050.84x = 1,449.36 × 952.56
  4. Step 4: Simplify right side
    1,050.84x = 1,380,602.36
  5. Step 5: Solve for x
    x = 1,380,602.36/1,050.84
  6. Step 6: Final answer
    x = 1,313.81

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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.