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Finding the Fourth Proportional to 60,796.80, 91,195.20 and 31,272.30

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Solution

The fourth proportional to 60,796.80, 91,195.20 and 31,272.30 is: 46,908.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,796.80 : 91,195.20 = 31,272.30 : x
  2. Step 2: Convert to fraction form
    60,796.80/91,195.20 = 31,272.30/x
  3. Step 3: Cross multiply
    60,796.80x = 91,195.20 × 31,272.30
  4. Step 4: Simplify right side
    60,796.80x = 2,851,883,652.96
  5. Step 5: Solve for x
    x = 2,851,883,652.96/60,796.80
  6. Step 6: Final answer
    x = 46,908.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.