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Finding the Fourth Proportional to 5,660.70, 8,482.89 and 5,275.26

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Solution

The fourth proportional to 5,660.70, 8,482.89 and 5,275.26 is: 7,905.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660.70 : 8,482.89 = 5,275.26 : x
  2. Step 2: Convert to fraction form
    5,660.70/8,482.89 = 5,275.26/x
  3. Step 3: Cross multiply
    5,660.70x = 8,482.89 × 5,275.26
  4. Step 4: Simplify right side
    5,660.70x = 44,749,450.30
  5. Step 5: Solve for x
    x = 44,749,450.30/5,660.70
  6. Step 6: Final answer
    x = 7,905.29

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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.