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Finding the Fourth Proportional to 3,045.29, 4,568.09 and 965.51

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Solution

The fourth proportional to 3,045.29, 4,568.09 and 965.51 is: 1,448.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.29 : 4,568.09 = 965.51 : x
  2. Step 2: Convert to fraction form
    3,045.29/4,568.09 = 965.51/x
  3. Step 3: Cross multiply
    3,045.29x = 4,568.09 × 965.51
  4. Step 4: Simplify right side
    3,045.29x = 4,410,531.75
  5. Step 5: Solve for x
    x = 4,410,531.75/3,045.29
  6. Step 6: Final answer
    x = 1,448.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.