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Finding the Fourth Proportional to 25,568.37, 38,351.64 and 8,928.34

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Solution

The fourth proportional to 25,568.37, 38,351.64 and 8,928.34 is: 13,392.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,568.37 : 38,351.64 = 8,928.34 : x
  2. Step 2: Convert to fraction form
    25,568.37/38,351.64 = 8,928.34/x
  3. Step 3: Cross multiply
    25,568.37x = 38,351.64 × 8,928.34
  4. Step 4: Simplify right side
    25,568.37x = 342,416,385.60
  5. Step 5: Solve for x
    x = 342,416,385.60/25,568.37
  6. Step 6: Final answer
    x = 13,392.19

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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.