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Finding the Fourth Proportional to 17,610.64, 26,364.70 and 13,703.20

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Solution

The fourth proportional to 17,610.64, 26,364.70 and 13,703.20 is: 20,514.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,610.64 : 26,364.70 = 13,703.20 : x
  2. Step 2: Convert to fraction form
    17,610.64/26,364.70 = 13,703.20/x
  3. Step 3: Cross multiply
    17,610.64x = 26,364.70 × 13,703.20
  4. Step 4: Simplify right side
    17,610.64x = 361,280,757.04
  5. Step 5: Solve for x
    x = 361,280,757.04/17,610.64
  6. Step 6: Final answer
    x = 20,514.91

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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.