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Finding the Fourth Proportional to 75,541.72, 104,245.50 and 41,550.28

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Solution

The fourth proportional to 75,541.72, 104,245.50 and 41,550.28 is: 57,338.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,541.72 : 104,245.50 = 41,550.28 : x
  2. Step 2: Convert to fraction form
    75,541.72/104,245.50 = 41,550.28/x
  3. Step 3: Cross multiply
    75,541.72x = 104,245.50 × 41,550.28
  4. Step 4: Simplify right side
    75,541.72x = 4,331,429,713.74
  5. Step 5: Solve for x
    x = 4,331,429,713.74/75,541.72
  6. Step 6: Final answer
    x = 57,338.25

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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.