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Finding the Fourth Proportional to 5,009.86, 7,512.25 and 1,676.93

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Solution

The fourth proportional to 5,009.86, 7,512.25 and 1,676.93 is: 2,514.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.86 : 7,512.25 = 1,676.93 : x
  2. Step 2: Convert to fraction form
    5,009.86/7,512.25 = 1,676.93/x
  3. Step 3: Cross multiply
    5,009.86x = 7,512.25 × 1,676.93
  4. Step 4: Simplify right side
    5,009.86x = 12,597,501.09
  5. Step 5: Solve for x
    x = 12,597,501.09/5,009.86
  6. Step 6: Final answer
    x = 2,514.54

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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.