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Finding the Fourth Proportional to 15,181.62, 22,774.86 and 6,416.62

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Solution

The fourth proportional to 15,181.62, 22,774.86 and 6,416.62 is: 9,625.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,181.62 : 22,774.86 = 6,416.62 : x
  2. Step 2: Convert to fraction form
    15,181.62/22,774.86 = 6,416.62/x
  3. Step 3: Cross multiply
    15,181.62x = 22,774.86 × 6,416.62
  4. Step 4: Simplify right side
    15,181.62x = 146,137,622.17
  5. Step 5: Solve for x
    x = 146,137,622.17/15,181.62
  6. Step 6: Final answer
    x = 9,625.96

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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.