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Finding the Fourth Proportional to 51,199.75, 76,799.63 and 14,263.75

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Solution

The fourth proportional to 51,199.75, 76,799.63 and 14,263.75 is: 21,395.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,199.75 : 76,799.63 = 14,263.75 : x
  2. Step 2: Convert to fraction form
    51,199.75/76,799.63 = 14,263.75/x
  3. Step 3: Cross multiply
    51,199.75x = 76,799.63 × 14,263.75
  4. Step 4: Simplify right side
    51,199.75x = 1,095,450,722.41
  5. Step 5: Solve for x
    x = 1,095,450,722.41/51,199.75
  6. Step 6: Final answer
    x = 21,395.63

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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.