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Finding the Fourth Proportional to 8,764,813.60, 13,147,220.40 and 2,460,250.40

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Solution

The fourth proportional to 8,764,813.60, 13,147,220.40 and 2,460,250.40 is: 3,690,375.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764,813.60 : 13,147,220.40 = 2,460,250.40 : x
  2. Step 2: Convert to fraction form
    8,764,813.60/13,147,220.40 = 2,460,250.40/x
  3. Step 3: Cross multiply
    8,764,813.60x = 13,147,220.40 × 2,460,250.40
  4. Step 4: Simplify right side
    8,764,813.60x = 32,345,454,247,988.16
  5. Step 5: Solve for x
    x = 32,345,454,247,988.16/8,764,813.60
  6. Step 6: Final answer
    x = 3,690,375.60

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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.