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Finding the Fourth Proportional to 58,233.80, 87,350.70 and 16,680.80

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Solution

The fourth proportional to 58,233.80, 87,350.70 and 16,680.80 is: 25,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,233.80 : 87,350.70 = 16,680.80 : x
  2. Step 2: Convert to fraction form
    58,233.80/87,350.70 = 16,680.80/x
  3. Step 3: Cross multiply
    58,233.80x = 87,350.70 × 16,680.80
  4. Step 4: Simplify right side
    58,233.80x = 1,457,079,556.56
  5. Step 5: Solve for x
    x = 1,457,079,556.56/58,233.80
  6. Step 6: Final answer
    x = 25,021.20

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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.