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Finding the Fourth Proportional to 28,882.28, 39,849.08 and 16,946.12

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Solution

The fourth proportional to 28,882.28, 39,849.08 and 16,946.12 is: 23,380.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,882.28 : 39,849.08 = 16,946.12 : x
  2. Step 2: Convert to fraction form
    28,882.28/39,849.08 = 16,946.12/x
  3. Step 3: Cross multiply
    28,882.28x = 39,849.08 × 16,946.12
  4. Step 4: Simplify right side
    28,882.28x = 675,287,291.57
  5. Step 5: Solve for x
    x = 675,287,291.57/28,882.28
  6. Step 6: Final answer
    x = 23,380.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.