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Finding the Fourth Proportional to 65,710.93, 98,566.38 and 15,791.03

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Solution

The fourth proportional to 65,710.93, 98,566.38 and 15,791.03 is: 23,686.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,710.93 : 98,566.38 = 15,791.03 : x
  2. Step 2: Convert to fraction form
    65,710.93/98,566.38 = 15,791.03/x
  3. Step 3: Cross multiply
    65,710.93x = 98,566.38 × 15,791.03
  4. Step 4: Simplify right side
    65,710.93x = 1,556,464,599.58
  5. Step 5: Solve for x
    x = 1,556,464,599.58/65,710.93
  6. Step 6: Final answer
    x = 23,686.54

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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.