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Finding the Fourth Proportional to 58,358.55, 87,540.93 and 18,380.66

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Solution

The fourth proportional to 58,358.55, 87,540.93 and 18,380.66 is: 27,571.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,358.55 : 87,540.93 = 18,380.66 : x
  2. Step 2: Convert to fraction form
    58,358.55/87,540.93 = 18,380.66/x
  3. Step 3: Cross multiply
    58,358.55x = 87,540.93 × 18,380.66
  4. Step 4: Simplify right side
    58,358.55x = 1,609,059,892.06
  5. Step 5: Solve for x
    x = 1,609,059,892.06/58,358.55
  6. Step 6: Final answer
    x = 27,571.96

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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.