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Finding the Fourth Proportional to 6,626.53, 9,134.98 and 4,630.89

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Solution

The fourth proportional to 6,626.53, 9,134.98 and 4,630.89 is: 6,383.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,626.53 : 9,134.98 = 4,630.89 : x
  2. Step 2: Convert to fraction form
    6,626.53/9,134.98 = 4,630.89/x
  3. Step 3: Cross multiply
    6,626.53x = 9,134.98 × 4,630.89
  4. Step 4: Simplify right side
    6,626.53x = 42,303,087.53
  5. Step 5: Solve for x
    x = 42,303,087.53/6,626.53
  6. Step 6: Final answer
    x = 6,383.90

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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.