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Finding the Fourth Proportional to 7,007.92, 10,510.80 and 2,624.72

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Solution

The fourth proportional to 7,007.92, 10,510.80 and 2,624.72 is: 3,936.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,007.92 : 10,510.80 = 2,624.72 : x
  2. Step 2: Convert to fraction form
    7,007.92/10,510.80 = 2,624.72/x
  3. Step 3: Cross multiply
    7,007.92x = 10,510.80 × 2,624.72
  4. Step 4: Simplify right side
    7,007.92x = 27,587,906.98
  5. Step 5: Solve for x
    x = 27,587,906.98/7,007.92
  6. Step 6: Final answer
    x = 3,936.68

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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.