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Finding the Fourth Proportional to 2,991.17, 4,464.14 and 2,913.41

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Solution

The fourth proportional to 2,991.17, 4,464.14 and 2,913.41 is: 4,348.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991.17 : 4,464.14 = 2,913.41 : x
  2. Step 2: Convert to fraction form
    2,991.17/4,464.14 = 2,913.41/x
  3. Step 3: Cross multiply
    2,991.17x = 4,464.14 × 2,913.41
  4. Step 4: Simplify right side
    2,991.17x = 13,005,870.12
  5. Step 5: Solve for x
    x = 13,005,870.12/2,991.17
  6. Step 6: Final answer
    x = 4,348.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.