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Finding the Fourth Proportional to 8,353,145.60, 11,669,209.60 and 8,353,145.60

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Solution

The fourth proportional to 8,353,145.60, 11,669,209.60 and 8,353,145.60 is: 11,669,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,353,145.60 : 11,669,209.60 = 8,353,145.60 : x
  2. Step 2: Convert to fraction form
    8,353,145.60/11,669,209.60 = 8,353,145.60/x
  3. Step 3: Cross multiply
    8,353,145.60x = 11,669,209.60 × 8,353,145.60
  4. Step 4: Simplify right side
    8,353,145.60x = 97,474,606,825,717.75
  5. Step 5: Solve for x
    x = 97,474,606,825,717.75/8,353,145.60
  6. Step 6: Final answer
    x = 11,669,209.60

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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.