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Finding the Fourth Proportional to 55,793.70, 77,008.58 and 31,934.13

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Solution

The fourth proportional to 55,793.70, 77,008.58 and 31,934.13 is: 44,076.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,793.70 : 77,008.58 = 31,934.13 : x
  2. Step 2: Convert to fraction form
    55,793.70/77,008.58 = 31,934.13/x
  3. Step 3: Cross multiply
    55,793.70x = 77,008.58 × 31,934.13
  4. Step 4: Simplify right side
    55,793.70x = 2,459,201,845.16
  5. Step 5: Solve for x
    x = 2,459,201,845.16/55,793.70
  6. Step 6: Final answer
    x = 44,076.69

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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.