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Finding the Fourth Proportional to 35,772.54, 53,659.19 and 10,812.80

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Solution

The fourth proportional to 35,772.54, 53,659.19 and 10,812.80 is: 16,219.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,772.54 : 53,659.19 = 10,812.80 : x
  2. Step 2: Convert to fraction form
    35,772.54/53,659.19 = 10,812.80/x
  3. Step 3: Cross multiply
    35,772.54x = 53,659.19 × 10,812.80
  4. Step 4: Simplify right side
    35,772.54x = 580,205,767.27
  5. Step 5: Solve for x
    x = 580,205,767.27/35,772.54
  6. Step 6: Final answer
    x = 16,219.31

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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.