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Finding the Fourth Proportional to 17,147.20, 25,720.80 and 6,053.80

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Solution

The fourth proportional to 17,147.20, 25,720.80 and 6,053.80 is: 9,080.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,147.20 : 25,720.80 = 6,053.80 : x
  2. Step 2: Convert to fraction form
    17,147.20/25,720.80 = 6,053.80/x
  3. Step 3: Cross multiply
    17,147.20x = 25,720.80 × 6,053.80
  4. Step 4: Simplify right side
    17,147.20x = 155,708,579.04
  5. Step 5: Solve for x
    x = 155,708,579.04/17,147.20
  6. Step 6: Final answer
    x = 9,080.70

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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.