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Finding the Fourth Proportional to 8,473,224.60, 12,709,836.90 and 7,410,342.60

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Solution

The fourth proportional to 8,473,224.60, 12,709,836.90 and 7,410,342.60 is: 11,115,513.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,473,224.60 : 12,709,836.90 = 7,410,342.60 : x
  2. Step 2: Convert to fraction form
    8,473,224.60/12,709,836.90 = 7,410,342.60/x
  3. Step 3: Cross multiply
    8,473,224.60x = 12,709,836.90 × 7,410,342.60
  4. Step 4: Simplify right side
    8,473,224.60x = 94,184,245,819,121.94
  5. Step 5: Solve for x
    x = 94,184,245,819,121.94/8,473,224.60
  6. Step 6: Final answer
    x = 11,115,513.90

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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.