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Finding the Fourth Proportional to 29,117.54, 40,187.54 and 19,054.91

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Solution

The fourth proportional to 29,117.54, 40,187.54 and 19,054.91 is: 26,299.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,117.54 : 40,187.54 = 19,054.91 : x
  2. Step 2: Convert to fraction form
    29,117.54/40,187.54 = 19,054.91/x
  3. Step 3: Cross multiply
    29,117.54x = 40,187.54 × 19,054.91
  4. Step 4: Simplify right side
    29,117.54x = 765,770,105.93
  5. Step 5: Solve for x
    x = 765,770,105.93/29,117.54
  6. Step 6: Final answer
    x = 26,299.27

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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.