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Finding the Fourth Proportional to 17,113.70, 25,670.55 and 16,883.30

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Solution

The fourth proportional to 17,113.70, 25,670.55 and 16,883.30 is: 25,324.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,113.70 : 25,670.55 = 16,883.30 : x
  2. Step 2: Convert to fraction form
    17,113.70/25,670.55 = 16,883.30/x
  3. Step 3: Cross multiply
    17,113.70x = 25,670.55 × 16,883.30
  4. Step 4: Simplify right side
    17,113.70x = 433,403,596.82
  5. Step 5: Solve for x
    x = 433,403,596.82/17,113.70
  6. Step 6: Final answer
    x = 25,324.95

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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.