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Finding the Fourth Proportional to 19,401.40, 29,077.75 and 8,295.03

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Solution

The fourth proportional to 19,401.40, 29,077.75 and 8,295.03 is: 12,432.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,401.40 : 29,077.75 = 8,295.03 : x
  2. Step 2: Convert to fraction form
    19,401.40/29,077.75 = 8,295.03/x
  3. Step 3: Cross multiply
    19,401.40x = 29,077.75 × 8,295.03
  4. Step 4: Simplify right side
    19,401.40x = 241,200,900.73
  5. Step 5: Solve for x
    x = 241,200,900.73/19,401.40
  6. Step 6: Final answer
    x = 12,432.14

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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.