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Finding the Fourth Proportional to 14,383.89, 21,577.95 and 4,519.89

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Solution

The fourth proportional to 14,383.89, 21,577.95 and 4,519.89 is: 6,780.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,383.89 : 21,577.95 = 4,519.89 : x
  2. Step 2: Convert to fraction form
    14,383.89/21,577.95 = 4,519.89/x
  3. Step 3: Cross multiply
    14,383.89x = 21,577.95 × 4,519.89
  4. Step 4: Simplify right side
    14,383.89x = 97,529,960.43
  5. Step 5: Solve for x
    x = 97,529,960.43/14,383.89
  6. Step 6: Final answer
    x = 6,780.50

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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.