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Finding the Fourth Proportional to 33,268.80, 49,903.20 and 9,892.20

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Solution

The fourth proportional to 33,268.80, 49,903.20 and 9,892.20 is: 14,838.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,268.80 : 49,903.20 = 9,892.20 : x
  2. Step 2: Convert to fraction form
    33,268.80/49,903.20 = 9,892.20/x
  3. Step 3: Cross multiply
    33,268.80x = 49,903.20 × 9,892.20
  4. Step 4: Simplify right side
    33,268.80x = 493,652,435.04
  5. Step 5: Solve for x
    x = 493,652,435.04/33,268.80
  6. Step 6: Final answer
    x = 14,838.30

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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.