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Finding the Fourth Proportional to 48,543.59, 72,815.36 and 13,483.23

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Solution

The fourth proportional to 48,543.59, 72,815.36 and 13,483.23 is: 20,224.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,543.59 : 72,815.36 = 13,483.23 : x
  2. Step 2: Convert to fraction form
    48,543.59/72,815.36 = 13,483.23/x
  3. Step 3: Cross multiply
    48,543.59x = 72,815.36 × 13,483.23
  4. Step 4: Simplify right side
    48,543.59x = 981,786,179.00
  5. Step 5: Solve for x
    x = 981,786,179.00/48,543.59
  6. Step 6: Final answer
    x = 20,224.84

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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.