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Finding the Fourth Proportional to 26,671.26, 40,019.84 and 17,888.82

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Solution

The fourth proportional to 26,671.26, 40,019.84 and 17,888.82 is: 26,841.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,671.26 : 40,019.84 = 17,888.82 : x
  2. Step 2: Convert to fraction form
    26,671.26/40,019.84 = 17,888.82/x
  3. Step 3: Cross multiply
    26,671.26x = 40,019.84 × 17,888.82
  4. Step 4: Simplify right side
    26,671.26x = 715,907,714.19
  5. Step 5: Solve for x
    x = 715,907,714.19/26,671.26
  6. Step 6: Final answer
    x = 26,841.92

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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.