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Finding the Fourth Proportional to 48,563.52, 72,849.21 and 13,503.18

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Solution

The fourth proportional to 48,563.52, 72,849.21 and 13,503.18 is: 20,255.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,563.52 : 72,849.21 = 13,503.18 : x
  2. Step 2: Convert to fraction form
    48,563.52/72,849.21 = 13,503.18/x
  3. Step 3: Cross multiply
    48,563.52x = 72,849.21 × 13,503.18
  4. Step 4: Simplify right side
    48,563.52x = 983,695,995.49
  5. Step 5: Solve for x
    x = 983,695,995.49/48,563.52
  6. Step 6: Final answer
    x = 20,255.86

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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.