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Finding the Fourth Proportional to 18,555.53, 27,836.02 and 6,710.19

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Solution

The fourth proportional to 18,555.53, 27,836.02 and 6,710.19 is: 10,066.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,555.53 : 27,836.02 = 6,710.19 : x
  2. Step 2: Convert to fraction form
    18,555.53/27,836.02 = 6,710.19/x
  3. Step 3: Cross multiply
    18,555.53x = 27,836.02 × 6,710.19
  4. Step 4: Simplify right side
    18,555.53x = 186,784,843.86
  5. Step 5: Solve for x
    x = 186,784,843.86/18,555.53
  6. Step 6: Final answer
    x = 10,066.27

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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.