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Finding the Fourth Proportional to 15,859.86, 23,757.48 and 7,514.58

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Solution

The fourth proportional to 15,859.86, 23,757.48 and 7,514.58 is: 11,256.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,859.86 : 23,757.48 = 7,514.58 : x
  2. Step 2: Convert to fraction form
    15,859.86/23,757.48 = 7,514.58/x
  3. Step 3: Cross multiply
    15,859.86x = 23,757.48 × 7,514.58
  4. Step 4: Simplify right side
    15,859.86x = 178,527,484.06
  5. Step 5: Solve for x
    x = 178,527,484.06/15,859.86
  6. Step 6: Final answer
    x = 11,256.56

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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.