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Finding the Fourth Proportional to 27,266.80, 37,652.04 and 17,213.20

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Solution

The fourth proportional to 27,266.80, 37,652.04 and 17,213.20 is: 23,769.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,266.80 : 37,652.04 = 17,213.20 : x
  2. Step 2: Convert to fraction form
    27,266.80/37,652.04 = 17,213.20/x
  3. Step 3: Cross multiply
    27,266.80x = 37,652.04 × 17,213.20
  4. Step 4: Simplify right side
    27,266.80x = 648,112,094.93
  5. Step 5: Solve for x
    x = 648,112,094.93/27,266.80
  6. Step 6: Final answer
    x = 23,769.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.