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Finding the Fourth Proportional to 25,396.39, 38,094.18 and 6,928.39

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Solution

The fourth proportional to 25,396.39, 38,094.18 and 6,928.39 is: 10,392.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,396.39 : 38,094.18 = 6,928.39 : x
  2. Step 2: Convert to fraction form
    25,396.39/38,094.18 = 6,928.39/x
  3. Step 3: Cross multiply
    25,396.39x = 38,094.18 × 6,928.39
  4. Step 4: Simplify right side
    25,396.39x = 263,931,335.77
  5. Step 5: Solve for x
    x = 263,931,335.77/25,396.39
  6. Step 6: Final answer
    x = 10,392.47

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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.