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Finding the Fourth Proportional to 7,333.61, 11,000.30 and 1,786.97

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Solution

The fourth proportional to 7,333.61, 11,000.30 and 1,786.97 is: 2,680.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,333.61 : 11,000.30 = 1,786.97 : x
  2. Step 2: Convert to fraction form
    7,333.61/11,000.30 = 1,786.97/x
  3. Step 3: Cross multiply
    7,333.61x = 11,000.30 × 1,786.97
  4. Step 4: Simplify right side
    7,333.61x = 19,657,151.09
  5. Step 5: Solve for x
    x = 19,657,151.09/7,333.61
  6. Step 6: Final answer
    x = 2,680.42

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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.