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Finding the Fourth Proportional to 8,238.00, 12,358.83 and 4,538.33

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Solution

The fourth proportional to 8,238.00, 12,358.83 and 4,538.33 is: 6,808.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238.00 : 12,358.83 = 4,538.33 : x
  2. Step 2: Convert to fraction form
    8,238.00/12,358.83 = 4,538.33/x
  3. Step 3: Cross multiply
    8,238.00x = 12,358.83 × 4,538.33
  4. Step 4: Simplify right side
    8,238.00x = 56,088,425.00
  5. Step 5: Solve for x
    x = 56,088,425.00/8,238.00
  6. Step 6: Final answer
    x = 6,808.50

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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.