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Finding the Fourth Proportional to 50,393.31, 75,584.10 and 18,804.45

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Solution

The fourth proportional to 50,393.31, 75,584.10 and 18,804.45 is: 28,204.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,393.31 : 75,584.10 = 18,804.45 : x
  2. Step 2: Convert to fraction form
    50,393.31/75,584.10 = 18,804.45/x
  3. Step 3: Cross multiply
    50,393.31x = 75,584.10 × 18,804.45
  4. Step 4: Simplify right side
    50,393.31x = 1,421,317,783.20
  5. Step 5: Solve for x
    x = 1,421,317,783.20/50,393.31
  6. Step 6: Final answer
    x = 28,204.50

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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.