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Finding the Fourth Proportional to 3,162.44, 4,744.33 and 971.34

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Solution

The fourth proportional to 3,162.44, 4,744.33 and 971.34 is: 1,457.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.44 : 4,744.33 = 971.34 : x
  2. Step 2: Convert to fraction form
    3,162.44/4,744.33 = 971.34/x
  3. Step 3: Cross multiply
    3,162.44x = 4,744.33 × 971.34
  4. Step 4: Simplify right side
    3,162.44x = 4,608,357.50
  5. Step 5: Solve for x
    x = 4,608,357.50/3,162.44
  6. Step 6: Final answer
    x = 1,457.22

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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.