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Finding the Fourth Proportional to 26,175.50, 36,108.15 and 18,203.87

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Solution

The fourth proportional to 26,175.50, 36,108.15 and 18,203.87 is: 25,111.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,175.50 : 36,108.15 = 18,203.87 : x
  2. Step 2: Convert to fraction form
    26,175.50/36,108.15 = 18,203.87/x
  3. Step 3: Cross multiply
    26,175.50x = 36,108.15 × 18,203.87
  4. Step 4: Simplify right side
    26,175.50x = 657,308,068.54
  5. Step 5: Solve for x
    x = 657,308,068.54/26,175.50
  6. Step 6: Final answer
    x = 25,111.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.