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Finding the Fourth Proportional to 18,008.94, 27,023.14 and 8,774.94

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Solution

The fourth proportional to 18,008.94, 27,023.14 and 8,774.94 is: 13,167.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,008.94 : 27,023.14 = 8,774.94 : x
  2. Step 2: Convert to fraction form
    18,008.94/27,023.14 = 8,774.94/x
  3. Step 3: Cross multiply
    18,008.94x = 27,023.14 × 8,774.94
  4. Step 4: Simplify right side
    18,008.94x = 237,126,432.11
  5. Step 5: Solve for x
    x = 237,126,432.11/18,008.94
  6. Step 6: Final answer
    x = 13,167.15

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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.