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Finding the Fourth Proportional to 6,325.40, 8,720.49 and 4,734.38

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Solution

The fourth proportional to 6,325.40, 8,720.49 and 4,734.38 is: 6,527.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,325.40 : 8,720.49 = 4,734.38 : x
  2. Step 2: Convert to fraction form
    6,325.40/8,720.49 = 4,734.38/x
  3. Step 3: Cross multiply
    6,325.40x = 8,720.49 × 4,734.38
  4. Step 4: Simplify right side
    6,325.40x = 41,286,113.45
  5. Step 5: Solve for x
    x = 41,286,113.45/6,325.40
  6. Step 6: Final answer
    x = 6,527.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.