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Finding the Fourth Proportional to 3,562.56, 5,336.64 and 2,520

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Solution

The fourth proportional to 3,562.56, 5,336.64 and 2,520 is: 3,774.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,562.56 : 5,336.64 = 2,520 : x
  2. Step 2: Convert to fraction form
    3,562.56/5,336.64 = 2,520/x
  3. Step 3: Cross multiply
    3,562.56x = 5,336.64 × 2,520
  4. Step 4: Simplify right side
    3,562.56x = 13,448,332.80
  5. Step 5: Solve for x
    x = 13,448,332.80/3,562.56
  6. Step 6: Final answer
    x = 3,774.91

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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.