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Finding the Fourth Proportional to 2,518.33, 3,776.92 and 958.51

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Solution

The fourth proportional to 2,518.33, 3,776.92 and 958.51 is: 1,437.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518.33 : 3,776.92 = 958.51 : x
  2. Step 2: Convert to fraction form
    2,518.33/3,776.92 = 958.51/x
  3. Step 3: Cross multiply
    2,518.33x = 3,776.92 × 958.51
  4. Step 4: Simplify right side
    2,518.33x = 3,620,191.91
  5. Step 5: Solve for x
    x = 3,620,191.91/2,518.33
  6. Step 6: Final answer
    x = 1,437.54

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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.