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Finding the Fourth Proportional to 18,614.33, 27,926.71 and 7,528.80

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Solution

The fourth proportional to 18,614.33, 27,926.71 and 7,528.80 is: 11,295.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,614.33 : 27,926.71 = 7,528.80 : x
  2. Step 2: Convert to fraction form
    18,614.33/27,926.71 = 7,528.80/x
  3. Step 3: Cross multiply
    18,614.33x = 27,926.71 × 7,528.80
  4. Step 4: Simplify right side
    18,614.33x = 210,254,614.25
  5. Step 5: Solve for x
    x = 210,254,614.25/18,614.33
  6. Step 6: Final answer
    x = 11,295.31

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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.