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Finding the Fourth Proportional to 7,913.04, 11,866.86 and 3,232.32

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Solution

The fourth proportional to 7,913.04, 11,866.86 and 3,232.32 is: 4,847.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913.04 : 11,866.86 = 3,232.32 : x
  2. Step 2: Convert to fraction form
    7,913.04/11,866.86 = 3,232.32/x
  3. Step 3: Cross multiply
    7,913.04x = 11,866.86 × 3,232.32
  4. Step 4: Simplify right side
    7,913.04x = 38,357,488.92
  5. Step 5: Solve for x
    x = 38,357,488.92/7,913.04
  6. Step 6: Final answer
    x = 4,847.38

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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.