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Finding the Fourth Proportional to 9,638.75, 14,458.17 and 3,482.75

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Solution

The fourth proportional to 9,638.75, 14,458.17 and 3,482.75 is: 5,224.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,638.75 : 14,458.17 = 3,482.75 : x
  2. Step 2: Convert to fraction form
    9,638.75/14,458.17 = 3,482.75/x
  3. Step 3: Cross multiply
    9,638.75x = 14,458.17 × 3,482.75
  4. Step 4: Simplify right side
    9,638.75x = 50,354,191.57
  5. Step 5: Solve for x
    x = 50,354,191.57/9,638.75
  6. Step 6: Final answer
    x = 5,224.14

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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.