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Finding the Fourth Proportional to 50,573.52, 75,803.76 and 18,953.16

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Solution

The fourth proportional to 50,573.52, 75,803.76 and 18,953.16 is: 28,408.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,573.52 : 75,803.76 = 18,953.16 : x
  2. Step 2: Convert to fraction form
    50,573.52/75,803.76 = 18,953.16/x
  3. Step 3: Cross multiply
    50,573.52x = 75,803.76 × 18,953.16
  4. Step 4: Simplify right side
    50,573.52x = 1,436,720,791.88
  5. Step 5: Solve for x
    x = 1,436,720,791.88/50,573.52
  6. Step 6: Final answer
    x = 28,408.56

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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.