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Finding the Fourth Proportional to 55,963.72, 83,818.62 and 43,382.92

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Solution

The fourth proportional to 55,963.72, 83,818.62 and 43,382.92 is: 64,975.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,963.72 : 83,818.62 = 43,382.92 : x
  2. Step 2: Convert to fraction form
    55,963.72/83,818.62 = 43,382.92/x
  3. Step 3: Cross multiply
    55,963.72x = 83,818.62 × 43,382.92
  4. Step 4: Simplify right side
    55,963.72x = 3,636,296,485.97
  5. Step 5: Solve for x
    x = 3,636,296,485.97/55,963.72
  6. Step 6: Final answer
    x = 64,975.96

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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.