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Finding the Fourth Proportional to 76,605.39, 114,869.21 and 35,016.75

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Solution

The fourth proportional to 76,605.39, 114,869.21 and 35,016.75 is: 52,507.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,605.39 : 114,869.21 = 35,016.75 : x
  2. Step 2: Convert to fraction form
    76,605.39/114,869.21 = 35,016.75/x
  3. Step 3: Cross multiply
    76,605.39x = 114,869.21 × 35,016.75
  4. Step 4: Simplify right side
    76,605.39x = 4,022,346,234.18
  5. Step 5: Solve for x
    x = 4,022,346,234.18/76,605.39
  6. Step 6: Final answer
    x = 52,507.35

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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.