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Finding the Fourth Proportional to 27,259.84, 40,890.56 and 7,538.56

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Solution

The fourth proportional to 27,259.84, 40,890.56 and 7,538.56 is: 11,308.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,259.84 : 40,890.56 = 7,538.56 : x
  2. Step 2: Convert to fraction form
    27,259.84/40,890.56 = 7,538.56/x
  3. Step 3: Cross multiply
    27,259.84x = 40,890.56 × 7,538.56
  4. Step 4: Simplify right side
    27,259.84x = 308,255,939.99
  5. Step 5: Solve for x
    x = 308,255,939.99/27,259.84
  6. Step 6: Final answer
    x = 11,308.06

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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.