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Finding the Fourth Proportional to 63,612.84, 95,424.66 and 16,865.16

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Solution

The fourth proportional to 63,612.84, 95,424.66 and 16,865.16 is: 25,299.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,612.84 : 95,424.66 = 16,865.16 : x
  2. Step 2: Convert to fraction form
    63,612.84/95,424.66 = 16,865.16/x
  3. Step 3: Cross multiply
    63,612.84x = 95,424.66 × 16,865.16
  4. Step 4: Simplify right side
    63,612.84x = 1,609,352,158.85
  5. Step 5: Solve for x
    x = 1,609,352,158.85/63,612.84
  6. Step 6: Final answer
    x = 25,299.17

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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.