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Finding the Fourth Proportional to 50,988.74, 76,482.81 and 19,823.99

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Solution

The fourth proportional to 50,988.74, 76,482.81 and 19,823.99 is: 29,735.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,988.74 : 76,482.81 = 19,823.99 : x
  2. Step 2: Convert to fraction form
    50,988.74/76,482.81 = 19,823.99/x
  3. Step 3: Cross multiply
    50,988.74x = 76,482.81 × 19,823.99
  4. Step 4: Simplify right side
    50,988.74x = 1,516,194,078.20
  5. Step 5: Solve for x
    x = 1,516,194,078.20/50,988.74
  6. Step 6: Final answer
    x = 29,735.86

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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.