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Finding the Fourth Proportional to 25,396.89, 38,094.93 and 6,928.89

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Solution

The fourth proportional to 25,396.89, 38,094.93 and 6,928.89 is: 10,393.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,396.89 : 38,094.93 = 6,928.89 : x
  2. Step 2: Convert to fraction form
    25,396.89/38,094.93 = 6,928.89/x
  3. Step 3: Cross multiply
    25,396.89x = 38,094.93 × 6,928.89
  4. Step 4: Simplify right side
    25,396.89x = 263,955,579.53
  5. Step 5: Solve for x
    x = 263,955,579.53/25,396.89
  6. Step 6: Final answer
    x = 10,393.22

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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.