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Finding the Fourth Proportional to 48,864.70, 73,282.65 and 19,272.70

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Solution

The fourth proportional to 48,864.70, 73,282.65 and 19,272.70 is: 28,903.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,864.70 : 73,282.65 = 19,272.70 : x
  2. Step 2: Convert to fraction form
    48,864.70/73,282.65 = 19,272.70/x
  3. Step 3: Cross multiply
    48,864.70x = 73,282.65 × 19,272.70
  4. Step 4: Simplify right side
    48,864.70x = 1,412,354,528.66
  5. Step 5: Solve for x
    x = 1,412,354,528.66/48,864.70
  6. Step 6: Final answer
    x = 28,903.37

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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.