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Finding the Fourth Proportional to 9,007.76, 13,502.46 and 5,103.92

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Solution

The fourth proportional to 9,007.76, 13,502.46 and 5,103.92 is: 7,650.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,007.76 : 13,502.46 = 5,103.92 : x
  2. Step 2: Convert to fraction form
    9,007.76/13,502.46 = 5,103.92/x
  3. Step 3: Cross multiply
    9,007.76x = 13,502.46 × 5,103.92
  4. Step 4: Simplify right side
    9,007.76x = 68,915,475.64
  5. Step 5: Solve for x
    x = 68,915,475.64/9,007.76
  6. Step 6: Final answer
    x = 7,650.68

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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.