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Finding the Fourth Proportional to 34,674.92, 51,992.31 and 13,590.32

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Solution

The fourth proportional to 34,674.92, 51,992.31 and 13,590.32 is: 20,377.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,674.92 : 51,992.31 = 13,590.32 : x
  2. Step 2: Convert to fraction form
    34,674.92/51,992.31 = 13,590.32/x
  3. Step 3: Cross multiply
    34,674.92x = 51,992.31 × 13,590.32
  4. Step 4: Simplify right side
    34,674.92x = 706,592,130.44
  5. Step 5: Solve for x
    x = 706,592,130.44/34,674.92
  6. Step 6: Final answer
    x = 20,377.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.