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Finding the Fourth Proportional to 60,917.80, 91,373.46 and 19,361.56

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Solution

The fourth proportional to 60,917.80, 91,373.46 and 19,361.56 is: 29,041.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,917.80 : 91,373.46 = 19,361.56 : x
  2. Step 2: Convert to fraction form
    60,917.80/91,373.46 = 19,361.56/x
  3. Step 3: Cross multiply
    60,917.80x = 91,373.46 × 19,361.56
  4. Step 4: Simplify right side
    60,917.80x = 1,769,132,728.20
  5. Step 5: Solve for x
    x = 1,769,132,728.20/60,917.80
  6. Step 6: Final answer
    x = 29,041.31

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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.