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Finding the Fourth Proportional to 35,568.76, 53,361.24 and 12,193.78

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Solution

The fourth proportional to 35,568.76, 53,361.24 and 12,193.78 is: 18,293.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,568.76 : 53,361.24 = 12,193.78 : x
  2. Step 2: Convert to fraction form
    35,568.76/53,361.24 = 12,193.78/x
  3. Step 3: Cross multiply
    35,568.76x = 53,361.24 × 12,193.78
  4. Step 4: Simplify right side
    35,568.76x = 650,675,221.09
  5. Step 5: Solve for x
    x = 650,675,221.09/35,568.76
  6. Step 6: Final answer
    x = 18,293.45

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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.