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Finding the Fourth Proportional to 14,933.34, 20,605.68 and 8,644.50

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Solution

The fourth proportional to 14,933.34, 20,605.68 and 8,644.50 is: 11,928.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,933.34 : 20,605.68 = 8,644.50 : x
  2. Step 2: Convert to fraction form
    14,933.34/20,605.68 = 8,644.50/x
  3. Step 3: Cross multiply
    14,933.34x = 20,605.68 × 8,644.50
  4. Step 4: Simplify right side
    14,933.34x = 178,125,800.76
  5. Step 5: Solve for x
    x = 178,125,800.76/14,933.34
  6. Step 6: Final answer
    x = 11,928.06

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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.