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Finding the Fourth Proportional to 6,706.64, 10,060.92 and 2,090

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Solution

The fourth proportional to 6,706.64, 10,060.92 and 2,090 is: 3,135.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,706.64 : 10,060.92 = 2,090 : x
  2. Step 2: Convert to fraction form
    6,706.64/10,060.92 = 2,090/x
  3. Step 3: Cross multiply
    6,706.64x = 10,060.92 × 2,090
  4. Step 4: Simplify right side
    6,706.64x = 21,027,322.80
  5. Step 5: Solve for x
    x = 21,027,322.80/6,706.64
  6. Step 6: Final answer
    x = 3,135.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.