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Finding the Fourth Proportional to 7,333.83, 11,000.71 and 1,787.15

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Solution

The fourth proportional to 7,333.83, 11,000.71 and 1,787.15 is: 2,680.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,333.83 : 11,000.71 = 1,787.15 : x
  2. Step 2: Convert to fraction form
    7,333.83/11,000.71 = 1,787.15/x
  3. Step 3: Cross multiply
    7,333.83x = 11,000.71 × 1,787.15
  4. Step 4: Simplify right side
    7,333.83x = 19,659,918.88
  5. Step 5: Solve for x
    x = 19,659,918.88/7,333.83
  6. Step 6: Final answer
    x = 2,680.72

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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.