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Finding the Fourth Proportional to 17,603.19, 26,405.19 and 7,074.27

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Solution

The fourth proportional to 17,603.19, 26,405.19 and 7,074.27 is: 10,611.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,603.19 : 26,405.19 = 7,074.27 : x
  2. Step 2: Convert to fraction form
    17,603.19/26,405.19 = 7,074.27/x
  3. Step 3: Cross multiply
    17,603.19x = 26,405.19 × 7,074.27
  4. Step 4: Simplify right side
    17,603.19x = 186,797,443.46
  5. Step 5: Solve for x
    x = 186,797,443.46/17,603.19
  6. Step 6: Final answer
    x = 10,611.57

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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.