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Finding the Fourth Proportional to 27,077.80, 37,947.80 and 27,077.80

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Solution

The fourth proportional to 27,077.80, 37,947.80 and 27,077.80 is: 37,947.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,077.80 : 37,947.80 = 27,077.80 : x
  2. Step 2: Convert to fraction form
    27,077.80/37,947.80 = 27,077.80/x
  3. Step 3: Cross multiply
    27,077.80x = 37,947.80 × 27,077.80
  4. Step 4: Simplify right side
    27,077.80x = 1,027,542,938.84
  5. Step 5: Solve for x
    x = 1,027,542,938.84/27,077.80
  6. Step 6: Final answer
    x = 37,947.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.