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Finding the Fourth Proportional to 9,000.20, 13,505.15 and 4,383.20

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Solution

The fourth proportional to 9,000.20, 13,505.15 and 4,383.20 is: 6,577.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000.20 : 13,505.15 = 4,383.20 : x
  2. Step 2: Convert to fraction form
    9,000.20/13,505.15 = 4,383.20/x
  3. Step 3: Cross multiply
    9,000.20x = 13,505.15 × 4,383.20
  4. Step 4: Simplify right side
    9,000.20x = 59,195,684.04
  5. Step 5: Solve for x
    x = 59,195,684.04/9,000.20
  6. Step 6: Final answer
    x = 6,577.16

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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.