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Finding the Fourth Proportional to 76,014.60, 114,086.70 and 33,959.40

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Solution

The fourth proportional to 76,014.60, 114,086.70 and 33,959.40 is: 50,968.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,014.60 : 114,086.70 = 33,959.40 : x
  2. Step 2: Convert to fraction form
    76,014.60/114,086.70 = 33,959.40/x
  3. Step 3: Cross multiply
    76,014.60x = 114,086.70 × 33,959.40
  4. Step 4: Simplify right side
    76,014.60x = 3,874,315,879.98
  5. Step 5: Solve for x
    x = 3,874,315,879.98/76,014.60
  6. Step 6: Final answer
    x = 50,968.05

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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.