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Finding the Fourth Proportional to 9,072,834.60, 12,718,764.60 and 9,072,834.60

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Solution

The fourth proportional to 9,072,834.60, 12,718,764.60 and 9,072,834.60 is: 12,718,764.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072,834.60 : 12,718,764.60 = 9,072,834.60 : x
  2. Step 2: Convert to fraction form
    9,072,834.60/12,718,764.60 = 9,072,834.60/x
  3. Step 3: Cross multiply
    9,072,834.60x = 12,718,764.60 × 9,072,834.60
  4. Step 4: Simplify right side
    9,072,834.60x = 115,395,247,532,135.16
  5. Step 5: Solve for x
    x = 115,395,247,532,135.16/9,072,834.60
  6. Step 6: Final answer
    x = 12,718,764.60

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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.