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Finding the Fourth Proportional to 16,378.62, 22,602.50 and 8,926.62

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Solution

The fourth proportional to 16,378.62, 22,602.50 and 8,926.62 is: 12,318.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,378.62 : 22,602.50 = 8,926.62 : x
  2. Step 2: Convert to fraction form
    16,378.62/22,602.50 = 8,926.62/x
  3. Step 3: Cross multiply
    16,378.62x = 22,602.50 × 8,926.62
  4. Step 4: Simplify right side
    16,378.62x = 201,763,928.55
  5. Step 5: Solve for x
    x = 201,763,928.55/16,378.62
  6. Step 6: Final answer
    x = 12,318.74

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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.