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Finding the Fourth Proportional to 10,656.92, 14,706.84 and 5,942.12

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Solution

The fourth proportional to 10,656.92, 14,706.84 and 5,942.12 is: 8,200.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656.92 : 14,706.84 = 5,942.12 : x
  2. Step 2: Convert to fraction form
    10,656.92/14,706.84 = 5,942.12/x
  3. Step 3: Cross multiply
    10,656.92x = 14,706.84 × 5,942.12
  4. Step 4: Simplify right side
    10,656.92x = 87,389,808.10
  5. Step 5: Solve for x
    x = 87,389,808.10/10,656.92
  6. Step 6: Final answer
    x = 8,200.29

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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.