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Finding the Fourth Proportional to 53,662.47, 80,492.76 and 18,601.62

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Solution

The fourth proportional to 53,662.47, 80,492.76 and 18,601.62 is: 27,902.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,662.47 : 80,492.76 = 18,601.62 : x
  2. Step 2: Convert to fraction form
    53,662.47/80,492.76 = 18,601.62/x
  3. Step 3: Cross multiply
    53,662.47x = 80,492.76 × 18,601.62
  4. Step 4: Simplify right side
    53,662.47x = 1,497,295,734.27
  5. Step 5: Solve for x
    x = 1,497,295,734.27/53,662.47
  6. Step 6: Final answer
    x = 27,902.10

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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.