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Finding the Fourth Proportional to 18,567.09, 27,836.03 and 9,200.67

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Solution

The fourth proportional to 18,567.09, 27,836.03 and 9,200.67 is: 13,793.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,567.09 : 27,836.03 = 9,200.67 : x
  2. Step 2: Convert to fraction form
    18,567.09/27,836.03 = 9,200.67/x
  3. Step 3: Cross multiply
    18,567.09x = 27,836.03 × 9,200.67
  4. Step 4: Simplify right side
    18,567.09x = 256,110,080.14
  5. Step 5: Solve for x
    x = 256,110,080.14/18,567.09
  6. Step 6: Final answer
    x = 13,793.77

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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.