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Finding the Fourth Proportional to 56,065.50, 84,099.87 and 14,512.50

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Solution

The fourth proportional to 56,065.50, 84,099.87 and 14,512.50 is: 21,769.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,065.50 : 84,099.87 = 14,512.50 : x
  2. Step 2: Convert to fraction form
    56,065.50/84,099.87 = 14,512.50/x
  3. Step 3: Cross multiply
    56,065.50x = 84,099.87 × 14,512.50
  4. Step 4: Simplify right side
    56,065.50x = 1,220,499,363.38
  5. Step 5: Solve for x
    x = 1,220,499,363.38/56,065.50
  6. Step 6: Final answer
    x = 21,769.17

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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.