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Finding the Fourth Proportional to 14,735.52, 20,334.96 and 8,021.52

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Solution

The fourth proportional to 14,735.52, 20,334.96 and 8,021.52 is: 11,069.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,735.52 : 20,334.96 = 8,021.52 : x
  2. Step 2: Convert to fraction form
    14,735.52/20,334.96 = 8,021.52/x
  3. Step 3: Cross multiply
    14,735.52x = 20,334.96 × 8,021.52
  4. Step 4: Simplify right side
    14,735.52x = 163,117,288.34
  5. Step 5: Solve for x
    x = 163,117,288.34/14,735.52
  6. Step 6: Final answer
    x = 11,069.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.