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Finding the Fourth Proportional to 27,189.99, 37,523.90 and 15,254.10

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Solution

The fourth proportional to 27,189.99, 37,523.90 and 15,254.10 is: 21,051.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,189.99 : 37,523.90 = 15,254.10 : x
  2. Step 2: Convert to fraction form
    27,189.99/37,523.90 = 15,254.10/x
  3. Step 3: Cross multiply
    27,189.99x = 37,523.90 × 15,254.10
  4. Step 4: Simplify right side
    27,189.99x = 572,393,361.13
  5. Step 5: Solve for x
    x = 572,393,361.13/27,189.99
  6. Step 6: Final answer
    x = 21,051.62

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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.