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Finding the Fourth Proportional to 56,361.71, 84,544.11 and 16,918.83

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Solution

The fourth proportional to 56,361.71, 84,544.11 and 16,918.83 is: 25,378.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,361.71 : 84,544.11 = 16,918.83 : x
  2. Step 2: Convert to fraction form
    56,361.71/84,544.11 = 16,918.83/x
  3. Step 3: Cross multiply
    56,361.71x = 84,544.11 × 16,918.83
  4. Step 4: Simplify right side
    56,361.71x = 1,430,387,424.59
  5. Step 5: Solve for x
    x = 1,430,387,424.59/56,361.71
  6. Step 6: Final answer
    x = 25,378.71

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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.