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Finding the Fourth Proportional to 14,682.70, 22,019.55 and 4,819.70

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Solution

The fourth proportional to 14,682.70, 22,019.55 and 4,819.70 is: 7,228.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,682.70 : 22,019.55 = 4,819.70 : x
  2. Step 2: Convert to fraction form
    14,682.70/22,019.55 = 4,819.70/x
  3. Step 3: Cross multiply
    14,682.70x = 22,019.55 × 4,819.70
  4. Step 4: Simplify right side
    14,682.70x = 106,127,625.14
  5. Step 5: Solve for x
    x = 106,127,625.14/14,682.70
  6. Step 6: Final answer
    x = 7,228.07

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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.