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Finding the Fourth Proportional to 8,347.62, 12,526.50 and 3,965.52

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Solution

The fourth proportional to 8,347.62, 12,526.50 and 3,965.52 is: 5,950.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,347.62 : 12,526.50 = 3,965.52 : x
  2. Step 2: Convert to fraction form
    8,347.62/12,526.50 = 3,965.52/x
  3. Step 3: Cross multiply
    8,347.62x = 12,526.50 × 3,965.52
  4. Step 4: Simplify right side
    8,347.62x = 49,674,086.28
  5. Step 5: Solve for x
    x = 49,674,086.28/8,347.62
  6. Step 6: Final answer
    x = 5,950.69

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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.