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Finding the Fourth Proportional to 58,124.31, 80,190.90 and 37,992.80

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Solution

The fourth proportional to 58,124.31, 80,190.90 and 37,992.80 is: 52,416.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,124.31 : 80,190.90 = 37,992.80 : x
  2. Step 2: Convert to fraction form
    58,124.31/80,190.90 = 37,992.80/x
  3. Step 3: Cross multiply
    58,124.31x = 80,190.90 × 37,992.80
  4. Step 4: Simplify right side
    58,124.31x = 3,046,676,825.52
  5. Step 5: Solve for x
    x = 3,046,676,825.52/58,124.31
  6. Step 6: Final answer
    x = 52,416.57

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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.