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Finding the Fourth Proportional to 56,995.49, 85,489.19 and 17,548.49

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Solution

The fourth proportional to 56,995.49, 85,489.19 and 17,548.49 is: 26,321.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,995.49 : 85,489.19 = 17,548.49 : x
  2. Step 2: Convert to fraction form
    56,995.49/85,489.19 = 17,548.49/x
  3. Step 3: Cross multiply
    56,995.49x = 85,489.19 × 17,548.49
  4. Step 4: Simplify right side
    56,995.49x = 1,500,206,108.08
  5. Step 5: Solve for x
    x = 1,500,206,108.08/56,995.49
  6. Step 6: Final answer
    x = 26,321.49

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1.5x scale

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.