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Finding the Fourth Proportional to 14,877, 20,529.46 and 8,162.52

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Solution

The fourth proportional to 14,877, 20,529.46 and 8,162.52 is: 11,263.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,877 : 20,529.46 = 8,162.52 : x
  2. Step 2: Convert to fraction form
    14,877/20,529.46 = 8,162.52/x
  3. Step 3: Cross multiply
    14,877x = 20,529.46 × 8,162.52
  4. Step 4: Simplify right side
    14,877x = 167,572,127.84
  5. Step 5: Solve for x
    x = 167,572,127.84/14,877
  6. Step 6: Final answer
    x = 11,263.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.