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Finding the Fourth Proportional to 4,989.94, 6,886.02 and 2,752.02

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Solution

The fourth proportional to 4,989.94, 6,886.02 and 2,752.02 is: 3,797.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.94 : 6,886.02 = 2,752.02 : x
  2. Step 2: Convert to fraction form
    4,989.94/6,886.02 = 2,752.02/x
  3. Step 3: Cross multiply
    4,989.94x = 6,886.02 × 2,752.02
  4. Step 4: Simplify right side
    4,989.94x = 18,950,464.76
  5. Step 5: Solve for x
    x = 18,950,464.76/4,989.94
  6. Step 6: Final answer
    x = 3,797.73

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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.