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Finding the Fourth Proportional to 17,100.30, 25,650.45 and 15,350.70

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Solution

The fourth proportional to 17,100.30, 25,650.45 and 15,350.70 is: 23,026.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,100.30 : 25,650.45 = 15,350.70 : x
  2. Step 2: Convert to fraction form
    17,100.30/25,650.45 = 15,350.70/x
  3. Step 3: Cross multiply
    17,100.30x = 25,650.45 × 15,350.70
  4. Step 4: Simplify right side
    17,100.30x = 393,752,362.82
  5. Step 5: Solve for x
    x = 393,752,362.82/17,100.30
  6. Step 6: Final answer
    x = 23,026.05

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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.