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Finding the Fourth Proportional to 74,704.56, 103,107.59 and 44,507.57

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Solution

The fourth proportional to 74,704.56, 103,107.59 and 44,507.57 is: 61,429.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,704.56 : 103,107.59 = 44,507.57 : x
  2. Step 2: Convert to fraction form
    74,704.56/103,107.59 = 44,507.57/x
  3. Step 3: Cross multiply
    74,704.56x = 103,107.59 × 44,507.57
  4. Step 4: Simplify right side
    74,704.56x = 4,589,067,541.38
  5. Step 5: Solve for x
    x = 4,589,067,541.38/74,704.56
  6. Step 6: Final answer
    x = 61,429.55

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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.