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Finding the Fourth Proportional to 27,036.99, 37,282.41 and 18,551.53

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Solution

The fourth proportional to 27,036.99, 37,282.41 and 18,551.53 is: 25,581.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,036.99 : 37,282.41 = 18,551.53 : x
  2. Step 2: Convert to fraction form
    27,036.99/37,282.41 = 18,551.53/x
  3. Step 3: Cross multiply
    27,036.99x = 37,282.41 × 18,551.53
  4. Step 4: Simplify right side
    27,036.99x = 691,645,794.19
  5. Step 5: Solve for x
    x = 691,645,794.19/27,036.99
  6. Step 6: Final answer
    x = 25,581.46

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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.