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Finding the Fourth Proportional to 47,159.73, 65,080.70 and 25,649.73

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Solution

The fourth proportional to 47,159.73, 65,080.70 and 25,649.73 is: 35,396.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,159.73 : 65,080.70 = 25,649.73 : x
  2. Step 2: Convert to fraction form
    47,159.73/65,080.70 = 25,649.73/x
  3. Step 3: Cross multiply
    47,159.73x = 65,080.70 × 25,649.73
  4. Step 4: Simplify right side
    47,159.73x = 1,669,302,383.21
  5. Step 5: Solve for x
    x = 1,669,302,383.21/47,159.73
  6. Step 6: Final answer
    x = 35,396.78

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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.