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Finding the Fourth Proportional to 15,101.75, 22,653.75 and 4,008.20

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Solution

The fourth proportional to 15,101.75, 22,653.75 and 4,008.20 is: 6,012.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,101.75 : 22,653.75 = 4,008.20 : x
  2. Step 2: Convert to fraction form
    15,101.75/22,653.75 = 4,008.20/x
  3. Step 3: Cross multiply
    15,101.75x = 22,653.75 × 4,008.20
  4. Step 4: Simplify right side
    15,101.75x = 90,800,647.48
  5. Step 5: Solve for x
    x = 90,800,647.48/15,101.75
  6. Step 6: Final answer
    x = 6,012.59

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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.