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Finding the Fourth Proportional to 17,200.76, 25,805.44 and 4,888.76

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Solution

The fourth proportional to 17,200.76, 25,805.44 and 4,888.76 is: 7,334.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,200.76 : 25,805.44 = 4,888.76 : x
  2. Step 2: Convert to fraction form
    17,200.76/25,805.44 = 4,888.76/x
  3. Step 3: Cross multiply
    17,200.76x = 25,805.44 × 4,888.76
  4. Step 4: Simplify right side
    17,200.76x = 126,156,602.85
  5. Step 5: Solve for x
    x = 126,156,602.85/17,200.76
  6. Step 6: Final answer
    x = 7,334.36

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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.