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Finding the Fourth Proportional to 13,207,525.70, 18,503,133.10 and 13,207,525.70

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Solution

The fourth proportional to 13,207,525.70, 18,503,133.10 and 13,207,525.70 is: 18,503,133.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207,525.70 : 18,503,133.10 = 13,207,525.70 : x
  2. Step 2: Convert to fraction form
    13,207,525.70/18,503,133.10 = 13,207,525.70/x
  3. Step 3: Cross multiply
    13,207,525.70x = 18,503,133.10 × 13,207,525.70
  4. Step 4: Simplify right side
    13,207,525.70x = 244,380,605,948,770.69
  5. Step 5: Solve for x
    x = 244,380,605,948,770.69/13,207,525.70
  6. Step 6: Final answer
    x = 18,503,133.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.