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Finding the Fourth Proportional to 4,900.77, 6,762.92 and 2,662.61

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Solution

The fourth proportional to 4,900.77, 6,762.92 and 2,662.61 is: 3,674.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,900.77 : 6,762.92 = 2,662.61 : x
  2. Step 2: Convert to fraction form
    4,900.77/6,762.92 = 2,662.61/x
  3. Step 3: Cross multiply
    4,900.77x = 6,762.92 × 2,662.61
  4. Step 4: Simplify right side
    4,900.77x = 18,006,971.29
  5. Step 5: Solve for x
    x = 18,006,971.29/4,900.77
  6. Step 6: Final answer
    x = 3,674.31

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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.