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Finding the Fourth Proportional to 17,953.20, 26,912.76 and 6,263.28

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Solution

The fourth proportional to 17,953.20, 26,912.76 and 6,263.28 is: 9,388.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,953.20 : 26,912.76 = 6,263.28 : x
  2. Step 2: Convert to fraction form
    17,953.20/26,912.76 = 6,263.28/x
  3. Step 3: Cross multiply
    17,953.20x = 26,912.76 × 6,263.28
  4. Step 4: Simplify right side
    17,953.20x = 168,562,151.45
  5. Step 5: Solve for x
    x = 168,562,151.45/17,953.20
  6. Step 6: Final answer
    x = 9,388.98

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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.