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Finding the Fourth Proportional to 56,705.92, 85,062.98 and 17,263.08

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Solution

The fourth proportional to 56,705.92, 85,062.98 and 17,263.08 is: 25,895.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,705.92 : 85,062.98 = 17,263.08 : x
  2. Step 2: Convert to fraction form
    56,705.92/85,062.98 = 17,263.08/x
  3. Step 3: Cross multiply
    56,705.92x = 85,062.98 × 17,263.08
  4. Step 4: Simplify right side
    56,705.92x = 1,468,449,028.78
  5. Step 5: Solve for x
    x = 1,468,449,028.78/56,705.92
  6. Step 6: Final answer
    x = 25,895.87

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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.