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Finding the Fourth Proportional to 18,504.52, 27,756.78 and 4,653.64

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Solution

The fourth proportional to 18,504.52, 27,756.78 and 4,653.64 is: 6,980.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,504.52 : 27,756.78 = 4,653.64 : x
  2. Step 2: Convert to fraction form
    18,504.52/27,756.78 = 4,653.64/x
  3. Step 3: Cross multiply
    18,504.52x = 27,756.78 × 4,653.64
  4. Step 4: Simplify right side
    18,504.52x = 129,170,061.68
  5. Step 5: Solve for x
    x = 129,170,061.68/18,504.52
  6. Step 6: Final answer
    x = 6,980.46

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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.