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Finding the Fourth Proportional to 2,524.96, 3,788.08 and 986.08

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Solution

The fourth proportional to 2,524.96, 3,788.08 and 986.08 is: 1,479.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,524.96 : 3,788.08 = 986.08 : x
  2. Step 2: Convert to fraction form
    2,524.96/3,788.08 = 986.08/x
  3. Step 3: Cross multiply
    2,524.96x = 3,788.08 × 986.08
  4. Step 4: Simplify right side
    2,524.96x = 3,735,349.93
  5. Step 5: Solve for x
    x = 3,735,349.93/2,524.96
  6. Step 6: Final answer
    x = 1,479.37

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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.