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Finding the Fourth Proportional to 18,274.92, 27,280.14 and 16,060.64

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Solution

The fourth proportional to 18,274.92, 27,280.14 and 16,060.64 is: 23,974.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,274.92 : 27,280.14 = 16,060.64 : x
  2. Step 2: Convert to fraction form
    18,274.92/27,280.14 = 16,060.64/x
  3. Step 3: Cross multiply
    18,274.92x = 27,280.14 × 16,060.64
  4. Step 4: Simplify right side
    18,274.92x = 438,136,507.69
  5. Step 5: Solve for x
    x = 438,136,507.69/18,274.92
  6. Step 6: Final answer
    x = 23,974.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.