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Finding the Fourth Proportional to 5,658.26, 8,494.80 and 4,965.70

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Solution

The fourth proportional to 5,658.26, 8,494.80 and 4,965.70 is: 7,455.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,658.26 : 8,494.80 = 4,965.70 : x
  2. Step 2: Convert to fraction form
    5,658.26/8,494.80 = 4,965.70/x
  3. Step 3: Cross multiply
    5,658.26x = 8,494.80 × 4,965.70
  4. Step 4: Simplify right side
    5,658.26x = 42,182,628.36
  5. Step 5: Solve for x
    x = 42,182,628.36/5,658.26
  6. Step 6: Final answer
    x = 7,455.05

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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.