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Finding the Fourth Proportional to 8,502.84, 12,756.43 and 4,995.81

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Solution

The fourth proportional to 8,502.84, 12,756.43 and 4,995.81 is: 7,494.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,502.84 : 12,756.43 = 4,995.81 : x
  2. Step 2: Convert to fraction form
    8,502.84/12,756.43 = 4,995.81/x
  3. Step 3: Cross multiply
    8,502.84x = 12,756.43 × 4,995.81
  4. Step 4: Simplify right side
    8,502.84x = 63,728,675.58
  5. Step 5: Solve for x
    x = 63,728,675.58/8,502.84
  6. Step 6: Final answer
    x = 7,494.99

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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.