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Finding the Fourth Proportional to 14,401.82, 21,602.73 and 8,241.50

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Solution

The fourth proportional to 14,401.82, 21,602.73 and 8,241.50 is: 12,362.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,401.82 : 21,602.73 = 8,241.50 : x
  2. Step 2: Convert to fraction form
    14,401.82/21,602.73 = 8,241.50/x
  3. Step 3: Cross multiply
    14,401.82x = 21,602.73 × 8,241.50
  4. Step 4: Simplify right side
    14,401.82x = 178,038,899.30
  5. Step 5: Solve for x
    x = 178,038,899.30/14,401.82
  6. Step 6: Final answer
    x = 12,362.25

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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.