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Finding the Fourth Proportional to 21,911.94, 32,882.47 and 8,060.94

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Solution

The fourth proportional to 21,911.94, 32,882.47 and 8,060.94 is: 12,096.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,911.94 : 32,882.47 = 8,060.94 : x
  2. Step 2: Convert to fraction form
    21,911.94/32,882.47 = 8,060.94/x
  3. Step 3: Cross multiply
    21,911.94x = 32,882.47 × 8,060.94
  4. Step 4: Simplify right side
    21,911.94x = 265,063,617.72
  5. Step 5: Solve for x
    x = 265,063,617.72/21,911.94
  6. Step 6: Final answer
    x = 12,096.77

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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.