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Finding the Fourth Proportional to 3,509.86, 5,265.96 and 1,562.08

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Solution

The fourth proportional to 3,509.86, 5,265.96 and 1,562.08 is: 2,343.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.86 : 5,265.96 = 1,562.08 : x
  2. Step 2: Convert to fraction form
    3,509.86/5,265.96 = 1,562.08/x
  3. Step 3: Cross multiply
    3,509.86x = 5,265.96 × 1,562.08
  4. Step 4: Simplify right side
    3,509.86x = 8,225,850.80
  5. Step 5: Solve for x
    x = 8,225,850.80/3,509.86
  6. Step 6: Final answer
    x = 2,343.64

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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.