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Finding the Fourth Proportional to 7,494,750.80, 10,342,758.60 and 4,056,981.20

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Solution

The fourth proportional to 7,494,750.80, 10,342,758.60 and 4,056,981.20 is: 5,598,635.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,494,750.80 : 10,342,758.60 = 4,056,981.20 : x
  2. Step 2: Convert to fraction form
    7,494,750.80/10,342,758.60 = 4,056,981.20/x
  3. Step 3: Cross multiply
    7,494,750.80x = 10,342,758.60 × 4,056,981.20
  4. Step 4: Simplify right side
    7,494,750.80x = 41,960,377,196,338.32
  5. Step 5: Solve for x
    x = 41,960,377,196,338.32/7,494,750.80
  6. Step 6: Final answer
    x = 5,598,635.41

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.