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Finding the Fourth Proportional to 55,878.81, 83,818.22 and 16,435.92

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Solution

The fourth proportional to 55,878.81, 83,818.22 and 16,435.92 is: 24,653.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,878.81 : 83,818.22 = 16,435.92 : x
  2. Step 2: Convert to fraction form
    55,878.81/83,818.22 = 16,435.92/x
  3. Step 3: Cross multiply
    55,878.81x = 83,818.22 × 16,435.92
  4. Step 4: Simplify right side
    55,878.81x = 1,377,629,476.28
  5. Step 5: Solve for x
    x = 1,377,629,476.28/55,878.81
  6. Step 6: Final answer
    x = 24,653.88

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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.