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Finding the Fourth Proportional to 6,624.46, 9,151.08 and 6,274.54

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Solution

The fourth proportional to 6,624.46, 9,151.08 and 6,274.54 is: 8,667.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,624.46 : 9,151.08 = 6,274.54 : x
  2. Step 2: Convert to fraction form
    6,624.46/9,151.08 = 6,274.54/x
  3. Step 3: Cross multiply
    6,624.46x = 9,151.08 × 6,274.54
  4. Step 4: Simplify right side
    6,624.46x = 57,418,817.50
  5. Step 5: Solve for x
    x = 57,418,817.50/6,624.46
  6. Step 6: Final answer
    x = 8,667.70

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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.