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Finding the Fourth Proportional to 58,675.51, 80,986.34 and 34,481.82

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Solution

The fourth proportional to 58,675.51, 80,986.34 and 34,481.82 is: 47,593.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,675.51 : 80,986.34 = 34,481.82 : x
  2. Step 2: Convert to fraction form
    58,675.51/80,986.34 = 34,481.82/x
  3. Step 3: Cross multiply
    58,675.51x = 80,986.34 × 34,481.82
  4. Step 4: Simplify right side
    58,675.51x = 2,792,556,398.34
  5. Step 5: Solve for x
    x = 2,792,556,398.34/58,675.51
  6. Step 6: Final answer
    x = 47,593.22

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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.