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Finding the Fourth Proportional to 33,155.84, 49,716.48 and 15,620.48

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Solution

The fourth proportional to 33,155.84, 49,716.48 and 15,620.48 is: 23,422.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,155.84 : 49,716.48 = 15,620.48 : x
  2. Step 2: Convert to fraction form
    33,155.84/49,716.48 = 15,620.48/x
  3. Step 3: Cross multiply
    33,155.84x = 49,716.48 × 15,620.48
  4. Step 4: Simplify right side
    33,155.84x = 776,595,281.51
  5. Step 5: Solve for x
    x = 776,595,281.51/33,155.84
  6. Step 6: Final answer
    x = 23,422.58

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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.