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Finding the Fourth Proportional to 58,105.70, 80,186.58 and 32,617.56

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Solution

The fourth proportional to 58,105.70, 80,186.58 and 32,617.56 is: 45,012.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,105.70 : 80,186.58 = 32,617.56 : x
  2. Step 2: Convert to fraction form
    58,105.70/80,186.58 = 32,617.56/x
  3. Step 3: Cross multiply
    58,105.70x = 80,186.58 × 32,617.56
  4. Step 4: Simplify right side
    58,105.70x = 2,615,490,584.34
  5. Step 5: Solve for x
    x = 2,615,490,584.34/58,105.70
  6. Step 6: Final answer
    x = 45,012.63

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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.