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Finding the Fourth Proportional to 48,750.63, 73,125.94 and 11,814.63

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Solution

The fourth proportional to 48,750.63, 73,125.94 and 11,814.63 is: 17,721.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,750.63 : 73,125.94 = 11,814.63 : x
  2. Step 2: Convert to fraction form
    48,750.63/73,125.94 = 11,814.63/x
  3. Step 3: Cross multiply
    48,750.63x = 73,125.94 × 11,814.63
  4. Step 4: Simplify right side
    48,750.63x = 863,955,529.34
  5. Step 5: Solve for x
    x = 863,955,529.34/48,750.63
  6. Step 6: Final answer
    x = 17,721.94

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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.