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Finding the Fourth Proportional to 34,757.40, 47,962.80 and 19,650.80

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Solution

The fourth proportional to 34,757.40, 47,962.80 and 19,650.80 is: 27,116.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,757.40 : 47,962.80 = 19,650.80 : x
  2. Step 2: Convert to fraction form
    34,757.40/47,962.80 = 19,650.80/x
  3. Step 3: Cross multiply
    34,757.40x = 47,962.80 × 19,650.80
  4. Step 4: Simplify right side
    34,757.40x = 942,507,390.24
  5. Step 5: Solve for x
    x = 942,507,390.24/34,757.40
  6. Step 6: Final answer
    x = 27,116.74

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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.