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Finding the Fourth Proportional to 19,169.63, 28,608.68 and 17,900.63

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Solution

The fourth proportional to 19,169.63, 28,608.68 and 17,900.63 is: 26,714.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,169.63 : 28,608.68 = 17,900.63 : x
  2. Step 2: Convert to fraction form
    19,169.63/28,608.68 = 17,900.63/x
  3. Step 3: Cross multiply
    19,169.63x = 28,608.68 × 17,900.63
  4. Step 4: Simplify right side
    19,169.63x = 512,113,395.47
  5. Step 5: Solve for x
    x = 512,113,395.47/19,169.63
  6. Step 6: Final answer
    x = 26,714.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.