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Finding the Fourth Proportional to 7,512.48, 10,450.08 and 7,369.92

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Solution

The fourth proportional to 7,512.48, 10,450.08 and 7,369.92 is: 10,251.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512.48 : 10,450.08 = 7,369.92 : x
  2. Step 2: Convert to fraction form
    7,512.48/10,450.08 = 7,369.92/x
  3. Step 3: Cross multiply
    7,512.48x = 10,450.08 × 7,369.92
  4. Step 4: Simplify right side
    7,512.48x = 77,016,253.59
  5. Step 5: Solve for x
    x = 77,016,253.59/7,512.48
  6. Step 6: Final answer
    x = 10,251.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.