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Finding the Fourth Proportional to 16,602.56, 22,880.04 and 11,878.64

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Solution

The fourth proportional to 16,602.56, 22,880.04 and 11,878.64 is: 16,369.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,602.56 : 22,880.04 = 11,878.64 : x
  2. Step 2: Convert to fraction form
    16,602.56/22,880.04 = 11,878.64/x
  3. Step 3: Cross multiply
    16,602.56x = 22,880.04 × 11,878.64
  4. Step 4: Simplify right side
    16,602.56x = 271,783,758.35
  5. Step 5: Solve for x
    x = 271,783,758.35/16,602.56
  6. Step 6: Final answer
    x = 16,369.99

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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.