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Finding the Fourth Proportional to 4,828.77, 6,664.74 and 2,940.98

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Solution

The fourth proportional to 4,828.77, 6,664.74 and 2,940.98 is: 4,059.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,828.77 : 6,664.74 = 2,940.98 : x
  2. Step 2: Convert to fraction form
    4,828.77/6,664.74 = 2,940.98/x
  3. Step 3: Cross multiply
    4,828.77x = 6,664.74 × 2,940.98
  4. Step 4: Simplify right side
    4,828.77x = 19,600,833.72
  5. Step 5: Solve for x
    x = 19,600,833.72/4,828.77
  6. Step 6: Final answer
    x = 4,059.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.