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Finding the Fourth Proportional to 8,362.28, 12,526.41 and 6,709.88

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Solution

The fourth proportional to 8,362.28, 12,526.41 and 6,709.88 is: 10,051.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,362.28 : 12,526.41 = 6,709.88 : x
  2. Step 2: Convert to fraction form
    8,362.28/12,526.41 = 6,709.88/x
  3. Step 3: Cross multiply
    8,362.28x = 12,526.41 × 6,709.88
  4. Step 4: Simplify right side
    8,362.28x = 84,050,707.93
  5. Step 5: Solve for x
    x = 84,050,707.93/8,362.28
  6. Step 6: Final answer
    x = 10,051.17

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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.