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Finding the Fourth Proportional to 18,533.79, 27,804.12 and 6,527.16

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Solution

The fourth proportional to 18,533.79, 27,804.12 and 6,527.16 is: 9,791.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,533.79 : 27,804.12 = 6,527.16 : x
  2. Step 2: Convert to fraction form
    18,533.79/27,804.12 = 6,527.16/x
  3. Step 3: Cross multiply
    18,533.79x = 27,804.12 × 6,527.16
  4. Step 4: Simplify right side
    18,533.79x = 181,481,939.90
  5. Step 5: Solve for x
    x = 181,481,939.90/18,533.79
  6. Step 6: Final answer
    x = 9,791.95

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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.