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Finding the Fourth Proportional to 19,175.92, 28,943.96 and 19,175.92

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Solution

The fourth proportional to 19,175.92, 28,943.96 and 19,175.92 is: 28,943.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,175.92 : 28,943.96 = 19,175.92 : x
  2. Step 2: Convert to fraction form
    19,175.92/28,943.96 = 19,175.92/x
  3. Step 3: Cross multiply
    19,175.92x = 28,943.96 × 19,175.92
  4. Step 4: Simplify right side
    19,175.92x = 555,027,061.44
  5. Step 5: Solve for x
    x = 555,027,061.44/19,175.92
  6. Step 6: Final answer
    x = 28,943.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.