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Finding the Fourth Proportional to 33,012.78, 49,536.81 and 15,482.76

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Solution

The fourth proportional to 33,012.78, 49,536.81 and 15,482.76 is: 23,232.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,012.78 : 49,536.81 = 15,482.76 : x
  2. Step 2: Convert to fraction form
    33,012.78/49,536.81 = 15,482.76/x
  3. Step 3: Cross multiply
    33,012.78x = 49,536.81 × 15,482.76
  4. Step 4: Simplify right side
    33,012.78x = 766,966,540.40
  5. Step 5: Solve for x
    x = 766,966,540.40/33,012.78
  6. Step 6: Final answer
    x = 23,232.41

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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.