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Finding the Fourth Proportional to 33,971.29, 46,879.50 and 18,863.47

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Solution

The fourth proportional to 33,971.29, 46,879.50 and 18,863.47 is: 26,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,971.29 : 46,879.50 = 18,863.47 : x
  2. Step 2: Convert to fraction form
    33,971.29/46,879.50 = 18,863.47/x
  3. Step 3: Cross multiply
    33,971.29x = 46,879.50 × 18,863.47
  4. Step 4: Simplify right side
    33,971.29x = 884,310,041.87
  5. Step 5: Solve for x
    x = 884,310,041.87/33,971.29
  6. Step 6: Final answer
    x = 26,031.10

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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.