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Finding the Fourth Proportional to 21,601.27, 32,397.04 and 7,750.27

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Solution

The fourth proportional to 21,601.27, 32,397.04 and 7,750.27 is: 11,623.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,601.27 : 32,397.04 = 7,750.27 : x
  2. Step 2: Convert to fraction form
    21,601.27/32,397.04 = 7,750.27/x
  3. Step 3: Cross multiply
    21,601.27x = 32,397.04 × 7,750.27
  4. Step 4: Simplify right side
    21,601.27x = 251,085,807.20
  5. Step 5: Solve for x
    x = 251,085,807.20/21,601.27
  6. Step 6: Final answer
    x = 11,623.66

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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.