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Finding the Fourth Proportional to 23,918.39, 35,880.72 and 7,902.60

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Solution

The fourth proportional to 23,918.39, 35,880.72 and 7,902.60 is: 11,854.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,918.39 : 35,880.72 = 7,902.60 : x
  2. Step 2: Convert to fraction form
    23,918.39/35,880.72 = 7,902.60/x
  3. Step 3: Cross multiply
    23,918.39x = 35,880.72 × 7,902.60
  4. Step 4: Simplify right side
    23,918.39x = 283,550,977.87
  5. Step 5: Solve for x
    x = 283,550,977.87/23,918.39
  6. Step 6: Final answer
    x = 11,854.94

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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.