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Finding the Fourth Proportional to 13,350.10, 20,021.05 and 6,328.03

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Solution

The fourth proportional to 13,350.10, 20,021.05 and 6,328.03 is: 9,490.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,350.10 : 20,021.05 = 6,328.03 : x
  2. Step 2: Convert to fraction form
    13,350.10/20,021.05 = 6,328.03/x
  3. Step 3: Cross multiply
    13,350.10x = 20,021.05 × 6,328.03
  4. Step 4: Simplify right side
    13,350.10x = 126,693,840.03
  5. Step 5: Solve for x
    x = 126,693,840.03/13,350.10
  6. Step 6: Final answer
    x = 9,490.11

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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.