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Finding the Fourth Proportional to 2,933.02, 4,399.81 and 824.64

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Solution

The fourth proportional to 2,933.02, 4,399.81 and 824.64 is: 1,237.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,933.02 : 4,399.81 = 824.64 : x
  2. Step 2: Convert to fraction form
    2,933.02/4,399.81 = 824.64/x
  3. Step 3: Cross multiply
    2,933.02x = 4,399.81 × 824.64
  4. Step 4: Simplify right side
    2,933.02x = 3,628,259.32
  5. Step 5: Solve for x
    x = 3,628,259.32/2,933.02
  6. Step 6: Final answer
    x = 1,237.04

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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.