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Finding the Fourth Proportional to 56,994.72, 85,509.28 and 17,015

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Solution

The fourth proportional to 56,994.72, 85,509.28 and 17,015 is: 25,527.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,994.72 : 85,509.28 = 17,015 : x
  2. Step 2: Convert to fraction form
    56,994.72/85,509.28 = 17,015/x
  3. Step 3: Cross multiply
    56,994.72x = 85,509.28 × 17,015
  4. Step 4: Simplify right side
    56,994.72x = 1,454,940,399.20
  5. Step 5: Solve for x
    x = 1,454,940,399.20/56,994.72
  6. Step 6: Final answer
    x = 25,527.63

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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.