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Finding the Fourth Proportional to 58,135.48, 80,213.25 and 32,984.98

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Solution

The fourth proportional to 58,135.48, 80,213.25 and 32,984.98 is: 45,511.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,135.48 : 80,213.25 = 32,984.98 : x
  2. Step 2: Convert to fraction form
    58,135.48/80,213.25 = 32,984.98/x
  3. Step 3: Cross multiply
    58,135.48x = 80,213.25 × 32,984.98
  4. Step 4: Simplify right side
    58,135.48x = 2,645,832,370.15
  5. Step 5: Solve for x
    x = 2,645,832,370.15/58,135.48
  6. Step 6: Final answer
    x = 45,511.49

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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.