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Finding the Fourth Proportional to 7,216,741.22, 10,813,596.84 and 5,288,716.88

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Solution

The fourth proportional to 7,216,741.22, 10,813,596.84 and 5,288,716.88 is: 7,924,636.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216,741.22 : 10,813,596.84 = 5,288,716.88 : x
  2. Step 2: Convert to fraction form
    7,216,741.22/10,813,596.84 = 5,288,716.88/x
  3. Step 3: Cross multiply
    7,216,741.22x = 10,813,596.84 × 5,288,716.88
  4. Step 4: Simplify right side
    7,216,741.22x = 57,190,052,141,222.66
  5. Step 5: Solve for x
    x = 57,190,052,141,222.66/7,216,741.22
  6. Step 6: Final answer
    x = 7,924,636.67

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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.