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Finding the Fourth Proportional to 58,180.76, 80,294.12 and 33,989.50

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Solution

The fourth proportional to 58,180.76, 80,294.12 and 33,989.50 is: 46,908.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,180.76 : 80,294.12 = 33,989.50 : x
  2. Step 2: Convert to fraction form
    58,180.76/80,294.12 = 33,989.50/x
  3. Step 3: Cross multiply
    58,180.76x = 80,294.12 × 33,989.50
  4. Step 4: Simplify right side
    58,180.76x = 2,729,157,049.62
  5. Step 5: Solve for x
    x = 2,729,157,049.62/58,180.76
  6. Step 6: Final answer
    x = 46,908.24

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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.