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Finding the Fourth Proportional to 21,497.92, 32,248.91 and 8,351.30

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Solution

The fourth proportional to 21,497.92, 32,248.91 and 8,351.30 is: 12,527.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,497.92 : 32,248.91 = 8,351.30 : x
  2. Step 2: Convert to fraction form
    21,497.92/32,248.91 = 8,351.30/x
  3. Step 3: Cross multiply
    21,497.92x = 32,248.91 × 8,351.30
  4. Step 4: Simplify right side
    21,497.92x = 269,320,423.58
  5. Step 5: Solve for x
    x = 269,320,423.58/21,497.92
  6. Step 6: Final answer
    x = 12,527.74

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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.