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Finding the Fourth Proportional to 65,791.93, 98,697.62 and 19,038.73

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Solution

The fourth proportional to 65,791.93, 98,697.62 and 19,038.73 is: 28,560.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,791.93 : 98,697.62 = 19,038.73 : x
  2. Step 2: Convert to fraction form
    65,791.93/98,697.62 = 19,038.73/x
  3. Step 3: Cross multiply
    65,791.93x = 98,697.62 × 19,038.73
  4. Step 4: Simplify right side
    65,791.93x = 1,879,077,338.82
  5. Step 5: Solve for x
    x = 1,879,077,338.82/65,791.93
  6. Step 6: Final answer
    x = 28,560.91

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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.