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Finding the Fourth Proportional to 52,993.60, 79,510.80 and 23,390.56

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Solution

The fourth proportional to 52,993.60, 79,510.80 and 23,390.56 is: 35,094.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,993.60 : 79,510.80 = 23,390.56 : x
  2. Step 2: Convert to fraction form
    52,993.60/79,510.80 = 23,390.56/x
  3. Step 3: Cross multiply
    52,993.60x = 79,510.80 × 23,390.56
  4. Step 4: Simplify right side
    52,993.60x = 1,859,802,138.05
  5. Step 5: Solve for x
    x = 1,859,802,138.05/52,993.60
  6. Step 6: Final answer
    x = 35,094.84

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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.