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Finding the Fourth Proportional to 4,793.34, 7,190.37 and 1,330.50

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Solution

The fourth proportional to 4,793.34, 7,190.37 and 1,330.50 is: 1,995.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,793.34 : 7,190.37 = 1,330.50 : x
  2. Step 2: Convert to fraction form
    4,793.34/7,190.37 = 1,330.50/x
  3. Step 3: Cross multiply
    4,793.34x = 7,190.37 × 1,330.50
  4. Step 4: Simplify right side
    4,793.34x = 9,566,787.29
  5. Step 5: Solve for x
    x = 9,566,787.29/4,793.34
  6. Step 6: Final answer
    x = 1,995.85

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Double scale
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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.