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Finding the Fourth Proportional to 16,793.40, 25,182.90 and 8,470.20

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Solution

The fourth proportional to 16,793.40, 25,182.90 and 8,470.20 is: 12,701.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,793.40 : 25,182.90 = 8,470.20 : x
  2. Step 2: Convert to fraction form
    16,793.40/25,182.90 = 8,470.20/x
  3. Step 3: Cross multiply
    16,793.40x = 25,182.90 × 8,470.20
  4. Step 4: Simplify right side
    16,793.40x = 213,304,199.58
  5. Step 5: Solve for x
    x = 213,304,199.58/16,793.40
  6. Step 6: Final answer
    x = 12,701.67

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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.