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Finding the Fourth Proportional to 49,373.72, 74,060.22 and 19,791.12

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Solution

The fourth proportional to 49,373.72, 74,060.22 and 19,791.12 is: 29,686.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,373.72 : 74,060.22 = 19,791.12 : x
  2. Step 2: Convert to fraction form
    49,373.72/74,060.22 = 19,791.12/x
  3. Step 3: Cross multiply
    49,373.72x = 74,060.22 × 19,791.12
  4. Step 4: Simplify right side
    49,373.72x = 1,465,734,701.25
  5. Step 5: Solve for x
    x = 1,465,734,701.25/49,373.72
  6. Step 6: Final answer
    x = 29,686.54

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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.