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Finding the Fourth Proportional to 13,772,556.60, 20,658,834.90 and 10,593,727.80

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Solution

The fourth proportional to 13,772,556.60, 20,658,834.90 and 10,593,727.80 is: 15,890,591.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772,556.60 : 20,658,834.90 = 10,593,727.80 : x
  2. Step 2: Convert to fraction form
    13,772,556.60/20,658,834.90 = 10,593,727.80/x
  3. Step 3: Cross multiply
    13,772,556.60x = 20,658,834.90 × 10,593,727.80
  4. Step 4: Simplify right side
    13,772,556.60x = 218,854,073,595,740.22
  5. Step 5: Solve for x
    x = 218,854,073,595,740.22/13,772,556.60
  6. Step 6: Final answer
    x = 15,890,591.70

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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.