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Finding the Fourth Proportional to 19,107.55, 28,634.62 and 16,281.62

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Solution

The fourth proportional to 19,107.55, 28,634.62 and 16,281.62 is: 24,399.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,107.55 : 28,634.62 = 16,281.62 : x
  2. Step 2: Convert to fraction form
    19,107.55/28,634.62 = 16,281.62/x
  3. Step 3: Cross multiply
    19,107.55x = 28,634.62 × 16,281.62
  4. Step 4: Simplify right side
    19,107.55x = 466,218,001.68
  5. Step 5: Solve for x
    x = 466,218,001.68/19,107.55
  6. Step 6: Final answer
    x = 24,399.67

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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.