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Finding the Fourth Proportional to 54,068.77, 74,614.11 and 30,195.77

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Solution

The fourth proportional to 54,068.77, 74,614.11 and 30,195.77 is: 41,669.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,068.77 : 74,614.11 = 30,195.77 : x
  2. Step 2: Convert to fraction form
    54,068.77/74,614.11 = 30,195.77/x
  3. Step 3: Cross multiply
    54,068.77x = 74,614.11 × 30,195.77
  4. Step 4: Simplify right side
    54,068.77x = 2,253,030,504.31
  5. Step 5: Solve for x
    x = 2,253,030,504.31/54,068.77
  6. Step 6: Final answer
    x = 41,669.72

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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.