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Finding the Fourth Proportional to 11,960.72, 16,506.02 and 6,656.03

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Solution

The fourth proportional to 11,960.72, 16,506.02 and 6,656.03 is: 9,185.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,960.72 : 16,506.02 = 6,656.03 : x
  2. Step 2: Convert to fraction form
    11,960.72/16,506.02 = 6,656.03/x
  3. Step 3: Cross multiply
    11,960.72x = 16,506.02 × 6,656.03
  4. Step 4: Simplify right side
    11,960.72x = 109,864,564.30
  5. Step 5: Solve for x
    x = 109,864,564.30/11,960.72
  6. Step 6: Final answer
    x = 9,185.45

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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.