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Finding the Fourth Proportional to 17,290.67, 25,940.07 and 5,603.88

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Solution

The fourth proportional to 17,290.67, 25,940.07 and 5,603.88 is: 8,407.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,290.67 : 25,940.07 = 5,603.88 : x
  2. Step 2: Convert to fraction form
    17,290.67/25,940.07 = 5,603.88/x
  3. Step 3: Cross multiply
    17,290.67x = 25,940.07 × 5,603.88
  4. Step 4: Simplify right side
    17,290.67x = 145,365,152.51
  5. Step 5: Solve for x
    x = 145,365,152.51/17,290.67
  6. Step 6: Final answer
    x = 8,407.15

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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.