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Finding the Fourth Proportional to 50,300.64, 75,380.78 and 37,806.03

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Solution

The fourth proportional to 50,300.64, 75,380.78 and 37,806.03 is: 56,656.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,300.64 : 75,380.78 = 37,806.03 : x
  2. Step 2: Convert to fraction form
    50,300.64/75,380.78 = 37,806.03/x
  3. Step 3: Cross multiply
    50,300.64x = 75,380.78 × 37,806.03
  4. Step 4: Simplify right side
    50,300.64x = 2,849,848,124.62
  5. Step 5: Solve for x
    x = 2,849,848,124.62/50,300.64
  6. Step 6: Final answer
    x = 56,656.30

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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.