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Finding the Fourth Proportional to 56,708.76, 85,060.26 and 17,265

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Solution

The fourth proportional to 56,708.76, 85,060.26 and 17,265 is: 25,896.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,708.76 : 85,060.26 = 17,265 : x
  2. Step 2: Convert to fraction form
    56,708.76/85,060.26 = 17,265/x
  3. Step 3: Cross multiply
    56,708.76x = 85,060.26 × 17,265
  4. Step 4: Simplify right side
    56,708.76x = 1,468,565,388.90
  5. Step 5: Solve for x
    x = 1,468,565,388.90/56,708.76
  6. Step 6: Final answer
    x = 25,896.62

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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.