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Finding the Fourth Proportional to 75,482.16, 113,223.24 and 33,880.56

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Solution

The fourth proportional to 75,482.16, 113,223.24 and 33,880.56 is: 50,820.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,482.16 : 113,223.24 = 33,880.56 : x
  2. Step 2: Convert to fraction form
    75,482.16/113,223.24 = 33,880.56/x
  3. Step 3: Cross multiply
    75,482.16x = 113,223.24 × 33,880.56
  4. Step 4: Simplify right side
    75,482.16x = 3,836,066,776.21
  5. Step 5: Solve for x
    x = 3,836,066,776.21/75,482.16
  6. Step 6: Final answer
    x = 50,820.84

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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.