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Finding the Fourth Proportional to 5,905.51, 8,856.74 and 2,940.91

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Solution

The fourth proportional to 5,905.51, 8,856.74 and 2,940.91 is: 4,410.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.51 : 8,856.74 = 2,940.91 : x
  2. Step 2: Convert to fraction form
    5,905.51/8,856.74 = 2,940.91/x
  3. Step 3: Cross multiply
    5,905.51x = 8,856.74 × 2,940.91
  4. Step 4: Simplify right side
    5,905.51x = 26,046,860.44
  5. Step 5: Solve for x
    x = 26,046,860.44/5,905.51
  6. Step 6: Final answer
    x = 4,410.60

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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.