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Finding the Fourth Proportional to 17,212.52, 25,770.12 and 10,957.04

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Solution

The fourth proportional to 17,212.52, 25,770.12 and 10,957.04 is: 16,404.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,212.52 : 25,770.12 = 10,957.04 : x
  2. Step 2: Convert to fraction form
    17,212.52/25,770.12 = 10,957.04/x
  3. Step 3: Cross multiply
    17,212.52x = 25,770.12 × 10,957.04
  4. Step 4: Simplify right side
    17,212.52x = 282,364,235.64
  5. Step 5: Solve for x
    x = 282,364,235.64/17,212.52
  6. Step 6: Final answer
    x = 16,404.58

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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.