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Finding the Fourth Proportional to 6,348.76, 9,521.03 and 2,188.67

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Solution

The fourth proportional to 6,348.76, 9,521.03 and 2,188.67 is: 3,282.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,348.76 : 9,521.03 = 2,188.67 : x
  2. Step 2: Convert to fraction form
    6,348.76/9,521.03 = 2,188.67/x
  3. Step 3: Cross multiply
    6,348.76x = 9,521.03 × 2,188.67
  4. Step 4: Simplify right side
    6,348.76x = 20,838,350.60
  5. Step 5: Solve for x
    x = 20,838,350.60/6,348.76
  6. Step 6: Final answer
    x = 3,282.27

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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.