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Finding the Fourth Proportional to 23,497.92, 32,429.76 and 15,007.92

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Solution

The fourth proportional to 23,497.92, 32,429.76 and 15,007.92 is: 20,712.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,497.92 : 32,429.76 = 15,007.92 : x
  2. Step 2: Convert to fraction form
    23,497.92/32,429.76 = 15,007.92/x
  3. Step 3: Cross multiply
    23,497.92x = 32,429.76 × 15,007.92
  4. Step 4: Simplify right side
    23,497.92x = 486,703,243.70
  5. Step 5: Solve for x
    x = 486,703,243.70/23,497.92
  6. Step 6: Final answer
    x = 20,712.61

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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.