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Finding the Fourth Proportional to 27,077.88, 37,376.88 and 18,608.05

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Solution

The fourth proportional to 27,077.88, 37,376.88 and 18,608.05 is: 25,685.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,077.88 : 37,376.88 = 18,608.05 : x
  2. Step 2: Convert to fraction form
    27,077.88/37,376.88 = 18,608.05/x
  3. Step 3: Cross multiply
    27,077.88x = 37,376.88 × 18,608.05
  4. Step 4: Simplify right side
    27,077.88x = 695,510,665.00
  5. Step 5: Solve for x
    x = 695,510,665.00/27,077.88
  6. Step 6: Final answer
    x = 25,685.57

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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.