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Finding the Fourth Proportional to 47,209.88, 65,150.92 and 25,990.44

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Solution

The fourth proportional to 47,209.88, 65,150.92 and 25,990.44 is: 35,867.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,209.88 : 65,150.92 = 25,990.44 : x
  2. Step 2: Convert to fraction form
    47,209.88/65,150.92 = 25,990.44/x
  3. Step 3: Cross multiply
    47,209.88x = 65,150.92 × 25,990.44
  4. Step 4: Simplify right side
    47,209.88x = 1,693,301,077.20
  5. Step 5: Solve for x
    x = 1,693,301,077.20/47,209.88
  6. Step 6: Final answer
    x = 35,867.51

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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.