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Finding the Fourth Proportional to 75,083.55, 103,615.29 and 41,092.07

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Solution

The fourth proportional to 75,083.55, 103,615.29 and 41,092.07 is: 56,707.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,083.55 : 103,615.29 = 41,092.07 : x
  2. Step 2: Convert to fraction form
    75,083.55/103,615.29 = 41,092.07/x
  3. Step 3: Cross multiply
    75,083.55x = 103,615.29 × 41,092.07
  4. Step 4: Simplify right side
    75,083.55x = 4,257,766,749.75
  5. Step 5: Solve for x
    x = 4,257,766,749.75/75,083.55
  6. Step 6: Final answer
    x = 56,707.05

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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.