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Finding the Fourth Proportional to 7,480.52, 11,220.74 and 1,933.39

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Solution

The fourth proportional to 7,480.52, 11,220.74 and 1,933.39 is: 2,900.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.52 : 11,220.74 = 1,933.39 : x
  2. Step 2: Convert to fraction form
    7,480.52/11,220.74 = 1,933.39/x
  3. Step 3: Cross multiply
    7,480.52x = 11,220.74 × 1,933.39
  4. Step 4: Simplify right side
    7,480.52x = 21,694,066.51
  5. Step 5: Solve for x
    x = 21,694,066.51/7,480.52
  6. Step 6: Final answer
    x = 2,900.07

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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.