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Finding the Fourth Proportional to 23,867.56, 35,805.18 and 8,289.64

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Solution

The fourth proportional to 23,867.56, 35,805.18 and 8,289.64 is: 12,435.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,867.56 : 35,805.18 = 8,289.64 : x
  2. Step 2: Convert to fraction form
    23,867.56/35,805.18 = 8,289.64/x
  3. Step 3: Cross multiply
    23,867.56x = 35,805.18 × 8,289.64
  4. Step 4: Simplify right side
    23,867.56x = 296,812,052.34
  5. Step 5: Solve for x
    x = 296,812,052.34/23,867.56
  6. Step 6: Final answer
    x = 12,435.79

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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.