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Finding the Fourth Proportional to 17,011.08, 25,510.92 and 7,148.52

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Solution

The fourth proportional to 17,011.08, 25,510.92 and 7,148.52 is: 10,720.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,011.08 : 25,510.92 = 7,148.52 : x
  2. Step 2: Convert to fraction form
    17,011.08/25,510.92 = 7,148.52/x
  3. Step 3: Cross multiply
    17,011.08x = 25,510.92 × 7,148.52
  4. Step 4: Simplify right side
    17,011.08x = 182,365,321.84
  5. Step 5: Solve for x
    x = 182,365,321.84/17,011.08
  6. Step 6: Final answer
    x = 10,720.38

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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.