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Finding the Fourth Proportional to 25,851.75, 38,777.67 and 7,383.75

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Solution

The fourth proportional to 25,851.75, 38,777.67 and 7,383.75 is: 11,075.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,851.75 : 38,777.67 = 7,383.75 : x
  2. Step 2: Convert to fraction form
    25,851.75/38,777.67 = 7,383.75/x
  3. Step 3: Cross multiply
    25,851.75x = 38,777.67 × 7,383.75
  4. Step 4: Simplify right side
    25,851.75x = 286,324,620.86
  5. Step 5: Solve for x
    x = 286,324,620.86/25,851.75
  6. Step 6: Final answer
    x = 11,075.64

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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.