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Finding the Fourth Proportional to 18,567.63, 27,842.94 and 8,032.77

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Solution

The fourth proportional to 18,567.63, 27,842.94 and 8,032.77 is: 12,045.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,567.63 : 27,842.94 = 8,032.77 : x
  2. Step 2: Convert to fraction form
    18,567.63/27,842.94 = 8,032.77/x
  3. Step 3: Cross multiply
    18,567.63x = 27,842.94 × 8,032.77
  4. Step 4: Simplify right side
    18,567.63x = 223,655,933.14
  5. Step 5: Solve for x
    x = 223,655,933.14/18,567.63
  6. Step 6: Final answer
    x = 12,045.48

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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.