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Finding the Fourth Proportional to 9,469.12, 14,201.36 and 4,201.20

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Solution

The fourth proportional to 9,469.12, 14,201.36 and 4,201.20 is: 6,300.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,469.12 : 14,201.36 = 4,201.20 : x
  2. Step 2: Convert to fraction form
    9,469.12/14,201.36 = 4,201.20/x
  3. Step 3: Cross multiply
    9,469.12x = 14,201.36 × 4,201.20
  4. Step 4: Simplify right side
    9,469.12x = 59,662,753.63
  5. Step 5: Solve for x
    x = 59,662,753.63/9,469.12
  6. Step 6: Final answer
    x = 6,300.77

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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.