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Finding the Fourth Proportional to 17,103.30, 25,630.65 and 11,903.10

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Solution

The fourth proportional to 17,103.30, 25,630.65 and 11,903.10 is: 17,837.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,103.30 : 25,630.65 = 11,903.10 : x
  2. Step 2: Convert to fraction form
    17,103.30/25,630.65 = 11,903.10/x
  3. Step 3: Cross multiply
    17,103.30x = 25,630.65 × 11,903.10
  4. Step 4: Simplify right side
    17,103.30x = 305,084,190.02
  5. Step 5: Solve for x
    x = 305,084,190.02/17,103.30
  6. Step 6: Final answer
    x = 17,837.74

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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.