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Finding the Fourth Proportional to 55,360.40, 83,051.40 and 23,770.40

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Solution

The fourth proportional to 55,360.40, 83,051.40 and 23,770.40 is: 35,660.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,360.40 : 83,051.40 = 23,770.40 : x
  2. Step 2: Convert to fraction form
    55,360.40/83,051.40 = 23,770.40/x
  3. Step 3: Cross multiply
    55,360.40x = 83,051.40 × 23,770.40
  4. Step 4: Simplify right side
    55,360.40x = 1,974,164,998.56
  5. Step 5: Solve for x
    x = 1,974,164,998.56/55,360.40
  6. Step 6: Final answer
    x = 35,660.24

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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.