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Finding the Fourth Proportional to 17,874.20, 26,811.30 and 13,735.10

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Solution

The fourth proportional to 17,874.20, 26,811.30 and 13,735.10 is: 20,602.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,874.20 : 26,811.30 = 13,735.10 : x
  2. Step 2: Convert to fraction form
    17,874.20/26,811.30 = 13,735.10/x
  3. Step 3: Cross multiply
    17,874.20x = 26,811.30 × 13,735.10
  4. Step 4: Simplify right side
    17,874.20x = 368,255,886.63
  5. Step 5: Solve for x
    x = 368,255,886.63/17,874.20
  6. Step 6: Final answer
    x = 20,602.65

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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.