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Finding the Fourth Proportional to 15,902.76, 23,857.98 and 5,514.28

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Solution

The fourth proportional to 15,902.76, 23,857.98 and 5,514.28 is: 8,272.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,902.76 : 23,857.98 = 5,514.28 : x
  2. Step 2: Convert to fraction form
    15,902.76/23,857.98 = 5,514.28/x
  3. Step 3: Cross multiply
    15,902.76x = 23,857.98 × 5,514.28
  4. Step 4: Simplify right side
    15,902.76x = 131,559,581.95
  5. Step 5: Solve for x
    x = 131,559,581.95/15,902.76
  6. Step 6: Final answer
    x = 8,272.75

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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.