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Finding the Fourth Proportional to 56,995.66, 85,506.84 and 17,551.90

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Solution

The fourth proportional to 56,995.66, 85,506.84 and 17,551.90 is: 26,331.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,995.66 : 85,506.84 = 17,551.90 : x
  2. Step 2: Convert to fraction form
    56,995.66/85,506.84 = 17,551.90/x
  3. Step 3: Cross multiply
    56,995.66x = 85,506.84 × 17,551.90
  4. Step 4: Simplify right side
    56,995.66x = 1,500,807,505.00
  5. Step 5: Solve for x
    x = 1,500,807,505.00/56,995.66
  6. Step 6: Final answer
    x = 26,331.96

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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.