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Finding the Fourth Proportional to 8,303,734.40, 12,460,850.40 and 4,892,014.40

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Solution

The fourth proportional to 8,303,734.40, 12,460,850.40 and 4,892,014.40 is: 7,341,113.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303,734.40 : 12,460,850.40 = 4,892,014.40 : x
  2. Step 2: Convert to fraction form
    8,303,734.40/12,460,850.40 = 4,892,014.40/x
  3. Step 3: Cross multiply
    8,303,734.40x = 12,460,850.40 × 4,892,014.40
  4. Step 4: Simplify right side
    8,303,734.40x = 60,958,659,593,045.77
  5. Step 5: Solve for x
    x = 60,958,659,593,045.77/8,303,734.40
  6. Step 6: Final answer
    x = 7,341,113.85

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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.