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Finding the Fourth Proportional to 77,847.84, 116,771.72 and 25,257.32

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Solution

The fourth proportional to 77,847.84, 116,771.72 and 25,257.32 is: 37,885.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,847.84 : 116,771.72 = 25,257.32 : x
  2. Step 2: Convert to fraction form
    77,847.84/116,771.72 = 25,257.32/x
  3. Step 3: Cross multiply
    77,847.84x = 116,771.72 × 25,257.32
  4. Step 4: Simplify right side
    77,847.84x = 2,949,340,698.99
  5. Step 5: Solve for x
    x = 2,949,340,698.99/77,847.84
  6. Step 6: Final answer
    x = 37,885.97

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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.