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Finding the Fourth Proportional to 18,316.52, 27,474.78 and 6,627.02

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Solution

The fourth proportional to 18,316.52, 27,474.78 and 6,627.02 is: 9,940.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,316.52 : 27,474.78 = 6,627.02 : x
  2. Step 2: Convert to fraction form
    18,316.52/27,474.78 = 6,627.02/x
  3. Step 3: Cross multiply
    18,316.52x = 27,474.78 × 6,627.02
  4. Step 4: Simplify right side
    18,316.52x = 182,075,916.56
  5. Step 5: Solve for x
    x = 182,075,916.56/18,316.52
  6. Step 6: Final answer
    x = 9,940.53

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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.