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Finding the Fourth Proportional to 58,008.75, 80,090.69 and 44,556

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Solution

The fourth proportional to 58,008.75, 80,090.69 and 44,556 is: 61,516.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,008.75 : 80,090.69 = 44,556 : x
  2. Step 2: Convert to fraction form
    58,008.75/80,090.69 = 44,556/x
  3. Step 3: Cross multiply
    58,008.75x = 80,090.69 × 44,556
  4. Step 4: Simplify right side
    58,008.75x = 3,568,520,783.64
  5. Step 5: Solve for x
    x = 3,568,520,783.64/58,008.75
  6. Step 6: Final answer
    x = 61,516.94

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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.