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Finding the Fourth Proportional to 55,602.54, 76,737 and 31,732.80

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Solution

The fourth proportional to 55,602.54, 76,737 and 31,732.80 is: 43,794.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,602.54 : 76,737 = 31,732.80 : x
  2. Step 2: Convert to fraction form
    55,602.54/76,737 = 31,732.80/x
  3. Step 3: Cross multiply
    55,602.54x = 76,737 × 31,732.80
  4. Step 4: Simplify right side
    55,602.54x = 2,435,079,873.60
  5. Step 5: Solve for x
    x = 2,435,079,873.60/55,602.54
  6. Step 6: Final answer
    x = 43,794.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.