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Finding the Fourth Proportional to 56,965.44, 85,457.88 and 17,521.68

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Solution

The fourth proportional to 56,965.44, 85,457.88 and 17,521.68 is: 26,285.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,965.44 : 85,457.88 = 17,521.68 : x
  2. Step 2: Convert to fraction form
    56,965.44/85,457.88 = 17,521.68/x
  3. Step 3: Cross multiply
    56,965.44x = 85,457.88 × 17,521.68
  4. Step 4: Simplify right side
    56,965.44x = 1,497,365,626.84
  5. Step 5: Solve for x
    x = 1,497,365,626.84/56,965.44
  6. Step 6: Final answer
    x = 26,285.51

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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.