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Finding the Fourth Proportional to 75,471.51, 104,150.61 and 41,482.20

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Solution

The fourth proportional to 75,471.51, 104,150.61 and 41,482.20 is: 57,245.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,471.51 : 104,150.61 = 41,482.20 : x
  2. Step 2: Convert to fraction form
    75,471.51/104,150.61 = 41,482.20/x
  3. Step 3: Cross multiply
    75,471.51x = 104,150.61 × 41,482.20
  4. Step 4: Simplify right side
    75,471.51x = 4,320,396,434.14
  5. Step 5: Solve for x
    x = 4,320,396,434.14/75,471.51
  6. Step 6: Final answer
    x = 57,245.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.