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Finding the Fourth Proportional to 72,852.48, 100,544.41 and 45,993.60

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Solution

The fourth proportional to 72,852.48, 100,544.41 and 45,993.60 is: 63,476.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,852.48 : 100,544.41 = 45,993.60 : x
  2. Step 2: Convert to fraction form
    72,852.48/100,544.41 = 45,993.60/x
  3. Step 3: Cross multiply
    72,852.48x = 100,544.41 × 45,993.60
  4. Step 4: Simplify right side
    72,852.48x = 4,624,399,375.78
  5. Step 5: Solve for x
    x = 4,624,399,375.78/72,852.48
  6. Step 6: Final answer
    x = 63,476.21

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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.