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Finding the Fourth Proportional to 14,168.28, 21,251.34 and 4,934.28

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Solution

The fourth proportional to 14,168.28, 21,251.34 and 4,934.28 is: 7,401.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,168.28 : 21,251.34 = 4,934.28 : x
  2. Step 2: Convert to fraction form
    14,168.28/21,251.34 = 4,934.28/x
  3. Step 3: Cross multiply
    14,168.28x = 21,251.34 × 4,934.28
  4. Step 4: Simplify right side
    14,168.28x = 104,860,061.94
  5. Step 5: Solve for x
    x = 104,860,061.94/14,168.28
  6. Step 6: Final answer
    x = 7,401.04

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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.