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Finding the Fourth Proportional to 17,074.30, 25,543.88 and 12,926.28

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Solution

The fourth proportional to 17,074.30, 25,543.88 and 12,926.28 is: 19,338.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,074.30 : 25,543.88 = 12,926.28 : x
  2. Step 2: Convert to fraction form
    17,074.30/25,543.88 = 12,926.28/x
  3. Step 3: Cross multiply
    17,074.30x = 25,543.88 × 12,926.28
  4. Step 4: Simplify right side
    17,074.30x = 330,187,345.17
  5. Step 5: Solve for x
    x = 330,187,345.17/17,074.30
  6. Step 6: Final answer
    x = 19,338.27

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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.