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Finding the Fourth Proportional to 76,994.39, 115,495.66 and 24,407.98

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Solution

The fourth proportional to 76,994.39, 115,495.66 and 24,407.98 is: 36,613.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,994.39 : 115,495.66 = 24,407.98 : x
  2. Step 2: Convert to fraction form
    76,994.39/115,495.66 = 24,407.98/x
  3. Step 3: Cross multiply
    76,994.39x = 115,495.66 × 24,407.98
  4. Step 4: Simplify right side
    76,994.39x = 2,819,015,059.85
  5. Step 5: Solve for x
    x = 2,819,015,059.85/76,994.39
  6. Step 6: Final answer
    x = 36,613.25

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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.