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Finding the Fourth Proportional to 76,016.80, 114,025.20 and 36,577.90

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Solution

The fourth proportional to 76,016.80, 114,025.20 and 36,577.90 is: 54,866.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,016.80 : 114,025.20 = 36,577.90 : x
  2. Step 2: Convert to fraction form
    76,016.80/114,025.20 = 36,577.90/x
  3. Step 3: Cross multiply
    76,016.80x = 114,025.20 × 36,577.90
  4. Step 4: Simplify right side
    76,016.80x = 4,170,802,363.08
  5. Step 5: Solve for x
    x = 4,170,802,363.08/76,016.80
  6. Step 6: Final answer
    x = 54,866.85

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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.