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Finding the Fourth Proportional to 8,357.84, 12,529.08 and 2,882

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Solution

The fourth proportional to 8,357.84, 12,529.08 and 2,882 is: 4,320.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,357.84 : 12,529.08 = 2,882 : x
  2. Step 2: Convert to fraction form
    8,357.84/12,529.08 = 2,882/x
  3. Step 3: Cross multiply
    8,357.84x = 12,529.08 × 2,882
  4. Step 4: Simplify right side
    8,357.84x = 36,108,808.56
  5. Step 5: Solve for x
    x = 36,108,808.56/8,357.84
  6. Step 6: Final answer
    x = 4,320.35

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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.