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Finding the Fourth Proportional to 7,016.90, 10,525.84 and 2,086.90

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Solution

The fourth proportional to 7,016.90, 10,525.84 and 2,086.90 is: 3,130.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,016.90 : 10,525.84 = 2,086.90 : x
  2. Step 2: Convert to fraction form
    7,016.90/10,525.84 = 2,086.90/x
  3. Step 3: Cross multiply
    7,016.90x = 10,525.84 × 2,086.90
  4. Step 4: Simplify right side
    7,016.90x = 21,966,343.96
  5. Step 5: Solve for x
    x = 21,966,343.96/7,016.90
  6. Step 6: Final answer
    x = 3,130.49

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1.5x scale

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.