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Finding the Fourth Proportional to 14,522.76, 21,774.78 and 6,208.20

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Solution

The fourth proportional to 14,522.76, 21,774.78 and 6,208.20 is: 9,308.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,522.76 : 21,774.78 = 6,208.20 : x
  2. Step 2: Convert to fraction form
    14,522.76/21,774.78 = 6,208.20/x
  3. Step 3: Cross multiply
    14,522.76x = 21,774.78 × 6,208.20
  4. Step 4: Simplify right side
    14,522.76x = 135,182,189.20
  5. Step 5: Solve for x
    x = 135,182,189.20/14,522.76
  6. Step 6: Final answer
    x = 9,308.30

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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.