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Finding the Fourth Proportional to 7,101.69, 10,652.09 and 2,170.88

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Solution

The fourth proportional to 7,101.69, 10,652.09 and 2,170.88 is: 3,256.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,101.69 : 10,652.09 = 2,170.88 : x
  2. Step 2: Convert to fraction form
    7,101.69/10,652.09 = 2,170.88/x
  3. Step 3: Cross multiply
    7,101.69x = 10,652.09 × 2,170.88
  4. Step 4: Simplify right side
    7,101.69x = 23,124,409.14
  5. Step 5: Solve for x
    x = 23,124,409.14/7,101.69
  6. Step 6: Final answer
    x = 3,256.18

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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.