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Finding the Fourth Proportional to 58,645.80, 87,968.70 and 52,194.60

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Solution

The fourth proportional to 58,645.80, 87,968.70 and 52,194.60 is: 78,291.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,645.80 : 87,968.70 = 52,194.60 : x
  2. Step 2: Convert to fraction form
    58,645.80/87,968.70 = 52,194.60/x
  3. Step 3: Cross multiply
    58,645.80x = 87,968.70 × 52,194.60
  4. Step 4: Simplify right side
    58,645.80x = 4,591,491,109.02
  5. Step 5: Solve for x
    x = 4,591,491,109.02/58,645.80
  6. Step 6: Final answer
    x = 78,291.90

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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.