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Finding the Fourth Proportional to 5,250.96, 7,890.84 and 5,056.56

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Solution

The fourth proportional to 5,250.96, 7,890.84 and 5,056.56 is: 7,598.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.96 : 7,890.84 = 5,056.56 : x
  2. Step 2: Convert to fraction form
    5,250.96/7,890.84 = 5,056.56/x
  3. Step 3: Cross multiply
    5,250.96x = 7,890.84 × 5,056.56
  4. Step 4: Simplify right side
    5,250.96x = 39,900,505.91
  5. Step 5: Solve for x
    x = 39,900,505.91/5,250.96
  6. Step 6: Final answer
    x = 7,598.71

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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.