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Finding the Fourth Proportional to 48,859.64, 73,290.92 and 13,795.64

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Solution

The fourth proportional to 48,859.64, 73,290.92 and 13,795.64 is: 20,693.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,859.64 : 73,290.92 = 13,795.64 : x
  2. Step 2: Convert to fraction form
    48,859.64/73,290.92 = 13,795.64/x
  3. Step 3: Cross multiply
    48,859.64x = 73,290.92 × 13,795.64
  4. Step 4: Simplify right side
    48,859.64x = 1,011,095,147.59
  5. Step 5: Solve for x
    x = 1,011,095,147.59/48,859.64
  6. Step 6: Final answer
    x = 20,693.87

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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.