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Finding the Fourth Proportional to 25,392.66, 35,042.70 and 16,879.94

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Solution

The fourth proportional to 25,392.66, 35,042.70 and 16,879.94 is: 23,294.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,392.66 : 35,042.70 = 16,879.94 : x
  2. Step 2: Convert to fraction form
    25,392.66/35,042.70 = 16,879.94/x
  3. Step 3: Cross multiply
    25,392.66x = 35,042.70 × 16,879.94
  4. Step 4: Simplify right side
    25,392.66x = 591,518,673.44
  5. Step 5: Solve for x
    x = 591,518,673.44/25,392.66
  6. Step 6: Final answer
    x = 23,294.87

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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.