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Finding the Fourth Proportional to 48,866.64, 73,293.48 and 13,809.03

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Solution

The fourth proportional to 48,866.64, 73,293.48 and 13,809.03 is: 20,711.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,866.64 : 73,293.48 = 13,809.03 : x
  2. Step 2: Convert to fraction form
    48,866.64/73,293.48 = 13,809.03/x
  3. Step 3: Cross multiply
    48,866.64x = 73,293.48 × 13,809.03
  4. Step 4: Simplify right side
    48,866.64x = 1,012,111,864.12
  5. Step 5: Solve for x
    x = 1,012,111,864.12/48,866.64
  6. Step 6: Final answer
    x = 20,711.71

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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.