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Finding the Fourth Proportional to 23,911.62, 35,867.42 and 7,271.79

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Solution

The fourth proportional to 23,911.62, 35,867.42 and 7,271.79 is: 10,907.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,911.62 : 35,867.42 = 7,271.79 : x
  2. Step 2: Convert to fraction form
    23,911.62/35,867.42 = 7,271.79/x
  3. Step 3: Cross multiply
    23,911.62x = 35,867.42 × 7,271.79
  4. Step 4: Simplify right side
    23,911.62x = 260,820,346.08
  5. Step 5: Solve for x
    x = 260,820,346.08/23,911.62
  6. Step 6: Final answer
    x = 10,907.68

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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.