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Finding the Fourth Proportional to 25,325.75, 37,993.08 and 8,687.54

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Solution

The fourth proportional to 25,325.75, 37,993.08 and 8,687.54 is: 13,032.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,325.75 : 37,993.08 = 8,687.54 : x
  2. Step 2: Convert to fraction form
    25,325.75/37,993.08 = 8,687.54/x
  3. Step 3: Cross multiply
    25,325.75x = 37,993.08 × 8,687.54
  4. Step 4: Simplify right side
    25,325.75x = 330,066,402.22
  5. Step 5: Solve for x
    x = 330,066,402.22/25,325.75
  6. Step 6: Final answer
    x = 13,032.84

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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.