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Finding the Fourth Proportional to 8,320.04, 12,473.90 and 3,932.37

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Solution

The fourth proportional to 8,320.04, 12,473.90 and 3,932.37 is: 5,895.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.04 : 12,473.90 = 3,932.37 : x
  2. Step 2: Convert to fraction form
    8,320.04/12,473.90 = 3,932.37/x
  3. Step 3: Cross multiply
    8,320.04x = 12,473.90 × 3,932.37
  4. Step 4: Simplify right side
    8,320.04x = 49,051,970.48
  5. Step 5: Solve for x
    x = 49,051,970.48/8,320.04
  6. Step 6: Final answer
    x = 5,895.64

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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.