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Finding the Fourth Proportional to 45,994.35, 68,965.50 and 15,994.80

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Solution

The fourth proportional to 45,994.35, 68,965.50 and 15,994.80 is: 23,983.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,994.35 : 68,965.50 = 15,994.80 : x
  2. Step 2: Convert to fraction form
    45,994.35/68,965.50 = 15,994.80/x
  3. Step 3: Cross multiply
    45,994.35x = 68,965.50 × 15,994.80
  4. Step 4: Simplify right side
    45,994.35x = 1,103,089,379.40
  5. Step 5: Solve for x
    x = 1,103,089,379.40/45,994.35
  6. Step 6: Final answer
    x = 23,983.15

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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.