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Finding the Fourth Proportional to 27,599.80, 37,839.20 and 27,102.40

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Solution

The fourth proportional to 27,599.80, 37,839.20 and 27,102.40 is: 37,157.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,599.80 : 37,839.20 = 27,102.40 : x
  2. Step 2: Convert to fraction form
    27,599.80/37,839.20 = 27,102.40/x
  3. Step 3: Cross multiply
    27,599.80x = 37,839.20 × 27,102.40
  4. Step 4: Simplify right side
    27,599.80x = 1,025,533,134.08
  5. Step 5: Solve for x
    x = 1,025,533,134.08/27,599.80
  6. Step 6: Final answer
    x = 37,157.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.